23124712140 has 96 divisors (see below), whose sum is σ = 73888032960. Its totient is φ = 5999920128.

The previous prime is 23124712123. The next prime is 23124712159. The reversal of 23124712140 is 4121742132.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 31 ways as a sum of consecutive naturals, for example, 558717 + ... + 598676.

It is an arithmetic number, because the mean of its divisors is an integer number (769667010).

Almost surely, 2^23124712140 is an apocalyptic number.

23124712140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23124712140 is an abundant number, since it is smaller than the sum of its proper divisors (50763320820).

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

23124712140 is a wasteful number, since it uses less digits than its factorization.

23124712140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157448 (or 1157440 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The spelling of 23124712140 in words is "twenty-three billion, one hundred twenty-four million, seven hundred twelve thousand, one hundred forty".