23525555320 has 16 divisors (see below), whose sum is σ = 52932499560. Its totient is φ = 9410222112.

The previous prime is 23525555293. The next prime is 23525555327. The reversal of 23525555320 is 2355552532.

It is a super-2 number, since 2×23525555320² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23525555320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23525555327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294069402 + ... + 294069481.

Almost surely, 2^23525555320 is an apocalyptic number.

23525555320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23525555320 is an abundant number, since it is smaller than the sum of its proper divisors (29406944240).

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

23525555320 is a wasteful number, since it uses less digits than its factorization.

23525555320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588138894 (or 588138890 counting only the distinct ones).

The product of its (nonzero) digits is 225000, while the sum is 37.

The spelling of 23525555320 in words is "twenty-three billion, five hundred twenty-five million, five hundred fifty-five thousand, three hundred twenty".