23504405356 has 12 divisors (see below), whose sum is σ = 41170557568. Its totient is φ = 11741388912.

The previous prime is 23504405347. The next prime is 23504405359. The reversal of 23504405356 is 65350440532.

It is a super-2 number, since 2×23504405356² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23504405359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2698551 + ... + 2707246.

Almost surely, 2^23504405356 is an apocalyptic number.

It is an amenable number.

23504405356 is a deficient number, since it is larger than the sum of its proper divisors (17666152212).

23504405356 is a wasteful number, since it uses less digits than its factorization.

23504405356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5406888 (or 5406886 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 37.

Adding to 23504405356 its reverse (65350440532), we get a palindrome (88854845888).

The spelling of 23504405356 in words is "twenty-three billion, five hundred four million, four hundred five thousand, three hundred fifty-six".