23523254520 has 32 divisors (see below), whose sum is σ = 70569763920. Its totient is φ = 6272867840.

The previous prime is 23523254509. The next prime is 23523254527. The reversal of 23523254520 is 2545232532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23523254527) 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, 98013441 + ... + 98013680.

Almost surely, 2^23523254520 is an apocalyptic number.

23523254520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23523254520 is an abundant number, since it is smaller than the sum of its proper divisors (47046509400).

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

23523254520 is a wasteful number, since it uses less digits than its factorization.

23523254520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196027135 (or 196027131 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 33.

The spelling of 23523254520 in words is "twenty-three billion, five hundred twenty-three million, two hundred fifty-four thousand, five hundred twenty".