23456400852 has 48 divisors (see below), whose sum is σ = 56518246400. Its totient is φ = 7563754080.

The previous prime is 23456400833. The next prime is 23456400857. The reversal of 23456400852 is 25800465432.

It is a self number, because there is not a number n which added to its sum of digits gives 23456400852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23456400857) 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 15 ways as a sum of consecutive naturals, for example, 1135149 + ... + 1155627.

Almost surely, 2^23456400852 is an apocalyptic number.

It is an amenable number.

23456400852 is an abundant number, since it is smaller than the sum of its proper divisors (33061845548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23456400852 is a wasteful number, since it uses less digits than its factorization.

23456400852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23596 (or 23594 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

The spelling of 23456400852 in words is "twenty-three billion, four hundred fifty-six million, four hundred thousand, eight hundred fifty-two".