23530424520 has 32 divisors (see below), whose sum is σ = 70591273920. Its totient is φ = 6274779840.

The previous prime is 23530424507. The next prime is 23530424531. The reversal of 23530424520 is 2542403532.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98043316 + ... + 98043555.

It is an arithmetic number, because the mean of its divisors is an integer number (2205977310).

Almost surely, 2^23530424520 is an apocalyptic number.

23530424520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23530424520 is an abundant number, since it is smaller than the sum of its proper divisors (47060849400).

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

23530424520 is a wasteful number, since it uses less digits than its factorization.

23530424520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196086885 (or 196086881 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

The spelling of 23530424520 in words is "twenty-three billion, five hundred thirty million, four hundred twenty-four thousand, five hundred twenty".