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12422001423 = 313259415271
BaseRepresentation
bin10111001000110100…
…01011001100001111
31012001201012001110210
423210122023030033
5200420013021143
65412342333503
7616554161406
oct134432131417
935051161423
1012422001423
1152a4994587
1224a812a293
13122c70a500
1485baac63d
154ca82d033
hex2e468b30f

12422001423 has 24 divisors (see below), whose sum is σ = 18238746240. Its totient is φ = 7514725920.

The previous prime is 12422001407. The next prime is 12422001461. The reversal of 12422001423 is 32410022421.

12422001423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12422001423 - 24 = 12422001407 is a prime.

It is a super-2 number, since 2×124220014232 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12422001423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12422003423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 177723 + ... + 237548.

It is an arithmetic number, because the mean of its divisors is an integer number (759947760).

Almost surely, 212422001423 is an apocalyptic number.

12422001423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12422001423 is a deficient number, since it is larger than the sum of its proper divisors (5816744817).

12422001423 is a wasteful number, since it uses less digits than its factorization.

12422001423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415359 (or 415346 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12422001423 its reverse (32410022421), we get a palindrome (44832023844).

The spelling of 12422001423 in words is "twelve billion, four hundred twenty-two million, one thousand, four hundred twenty-three".

Divisors: 1 3 13 39 59 169 177 507 767 2301 9971 29913 415271 1245813 5398523 16195569 24500989 70180799 73502967 210542397 318512857 955538571 4140667141 12422001423