23042452856 has 16 divisors (see below), whose sum is σ = 43586942400. Its totient is φ = 11419268224.

The previous prime is 23042452843. The next prime is 23042452859. The reversal of 23042452856 is 65825424032.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23042452859) 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 3 ways as a sum of consecutive naturals, for example, 12743816 + ... + 12745623.

It is an arithmetic number, because the mean of its divisors is an integer number (2724183900).

Almost surely, 2^23042452856 is an apocalyptic number.

It is an amenable number.

23042452856 is a deficient number, since it is larger than the sum of its proper divisors (20544489544).

23042452856 is a wasteful number, since it uses less digits than its factorization.

23042452856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25489558 (or 25489554 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 41.

Adding to 23042452856 its reverse (65825424032), we get a palindrome (88867876888).

The spelling of 23042452856 in words is "twenty-three billion, forty-two million, four hundred fifty-two thousand, eight hundred fifty-six".