23525075340 has 144 divisors (see below), whose sum is σ = 80893394400. Its totient is φ = 5485999104.

The previous prime is 23525075323. The next prime is 23525075389. The reversal of 23525075340 is 4357052532.

23525075340 is a `hidden beast` number, since 23 + 52 + 50 + 7 + 534 + 0 = 666.

It is a super-2 number, since 2×23525075340² (a number of 22 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 23525075295 and 23525075304.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 220105 + ... + 309024.

Almost surely, 2^23525075340 is an apocalyptic number.

23525075340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23525075340 is an abundant number, since it is smaller than the sum of its proper divisors (57368319060).

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

23525075340 is a wasteful number, since it uses less digits than its factorization.

23525075340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529176 (or 529171 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 36.

The spelling of 23525075340 in words is "twenty-three billion, five hundred twenty-five million, seventy-five thousand, three hundred forty".