23173520424 has 16 divisors (see below), whose sum is σ = 57933801120. Its totient is φ = 7724506800.

The previous prime is 23173520407. The next prime is 23173520429. The reversal of 23173520424 is 42402537132.

It is a super-3 number, since 3×23173520424³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (23173520429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 482781652 + ... + 482781699.

It is an arithmetic number, because the mean of its divisors is an integer number (3620862570).

Almost surely, 2^23173520424 is an apocalyptic number.

23173520424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23173520424 is an abundant number, since it is smaller than the sum of its proper divisors (34760280696).

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

23173520424 is a wasteful number, since it uses less digits than its factorization.

23173520424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965563360 (or 965563356 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 33.

The spelling of 23173520424 in words is "twenty-three billion, one hundred seventy-three million, five hundred twenty thousand, four hundred twenty-four".