23025423564 has 72 divisors (see below), whose sum is σ = 68378545872. Its totient is φ = 6440676480.

The previous prime is 23025423559. The next prime is 23025423571. The reversal of 23025423564 is 46532452032.

23025423564 is a `hidden beast` number, since 2 + 30 + 25 + 42 + 3 + 564 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2231199 + ... + 2241494.

It is an arithmetic number, because the mean of its divisors is an integer number (949702026).

Almost surely, 2^23025423564 is an apocalyptic number.

It is an amenable number.

23025423564 is an abundant number, since it is smaller than the sum of its proper divisors (45353122308).

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

23025423564 is a wasteful number, since it uses less digits than its factorization.

23025423564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4472727 (or 4472722 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 23025423564 its reverse (46532452032), we get a palindrome (69557875596).

The spelling of 23025423564 in words is "twenty-three billion, twenty-five million, four hundred twenty-three thousand, five hundred sixty-four".