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23122100023031 = 67345105970493
BaseRepresentation
bin1010100000111100010001…
…00011101110111011110111
310000212110011220110121122002
411100132020203232323313
511012313030101214111
6121102051320525515
74604342123242352
oct520361043567367
9100773156417562
1023122100023031
117405033742259
12271527462089b
13cb95350c6479
1459d189351299
152a16d3aee63b
hex1507888eeef7

23122100023031 has 4 divisors (see below), whose sum is σ = 23467205993592. Its totient is φ = 22776994052472.

The previous prime is 23122100023003. The next prime is 23122100023117. The reversal of 23122100023031 is 13032000122132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23122100023031 - 218 = 23122099760887 is a prime.

It is a super-2 number, since 2×231221000230312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23122100022994 and 23122100023012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23122100023531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172552985180 + ... + 172552985313.

It is an arithmetic number, because the mean of its divisors is an integer number (5866801498398).

Almost surely, 223122100023031 is an apocalyptic number.

23122100023031 is a deficient number, since it is larger than the sum of its proper divisors (345105970561).

23122100023031 is an equidigital number, since it uses as much as digits as its factorization.

23122100023031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345105970560.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 23122100023031 its reverse (13032000122132), we get a palindrome (36154100145163).

The spelling of 23122100023031 in words is "twenty-three trillion, one hundred twenty-two billion, one hundred million, twenty-three thousand, thirty-one".

Divisors: 1 67 345105970493 23122100023031