23152525040 has 40 divisors (see below), whose sum is σ = 55284482400. Its totient is φ = 9010711296.

The previous prime is 23152525013. The next prime is 23152525049. The reversal of 23152525040 is 4052525132.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 23152524994 and 23152525012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23152525049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3907940 + ... + 3913859.

It is an arithmetic number, because the mean of its divisors is an integer number (1382112060).

Almost surely, 2^23152525040 is an apocalyptic number.

23152525040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23152525040 is an abundant number, since it is smaller than the sum of its proper divisors (32131957360).

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

23152525040 is a wasteful number, since it uses less digits than its factorization.

23152525040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7821849 (or 7821843 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 23152525040 in words is "twenty-three billion, one hundred fifty-two million, five hundred twenty-five thousand, forty".