23851491960 has 64 divisors (see below), whose sum is σ = 74021882400. Its totient is φ = 6141072896.

The previous prime is 23851491953. The next prime is 23851491971. The reversal of 23851491960 is 6919415832.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3423459 + ... + 3430418.

Almost surely, 2^23851491960 is an apocalyptic number.

23851491960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23851491960 is an abundant number, since it is smaller than the sum of its proper divisors (50170390440).

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

23851491960 is a wasteful number, since it uses less digits than its factorization.

23851491960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6853920 (or 6853916 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 48.

The spelling of 23851491960 in words is "twenty-three billion, eight hundred fifty-one million, four hundred ninety-one thousand, nine hundred sixty".