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BaseRepresentation
bin10010101010110111…
…10111100011111111
3221212112121120102010
421111123313203333
5131011431202143
64334334102303
7503246446650
oct112533674377
927775546363
1010023303423
114283991241
121b3894a993
13c39789393
146b12ab527
153d9e62a33
hex2556f78ff

10023303423 has 32 divisors (see below), whose sum is σ = 16063266816. Its totient is φ = 5435404128.

The previous prime is 10023303421. The next prime is 10023303467. The reversal of 10023303423 is 32430332001.

It is not a de Polignac number, because 10023303423 - 21 = 10023303421 is a prime.

It is a super-2 number, since 2×100233034232 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 10023303423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10023303421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20361 + ... + 143042.

It is an arithmetic number, because the mean of its divisors is an integer number (501977088).

Almost surely, 210023303423 is an apocalyptic number.

10023303423 is a deficient number, since it is larger than the sum of its proper divisors (6039963393).

10023303423 is a wasteful number, since it uses less digits than its factorization.

10023303423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163563.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 10023303423 its reverse (32430332001), we get a palindrome (42453635424).

The spelling of 10023303423 in words is "ten billion, twenty-three million, three hundred three thousand, four hundred twenty-three".