23879140 has 24 divisors (see below), whose sum is σ = 50484672. Its totient is φ = 9487200.

The previous prime is 23879123. The next prime is 23879159. The reversal of 23879140 is 4197832.

It is a junction number, because it is equal to n+sod(n) for n = 23879096 and 23879105.

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, 934 + ... + 6973.

It is an arithmetic number, because the mean of its divisors is an integer number (2103528).

Almost surely, 2^23879140 is an apocalyptic number.

23879140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23879140 is an abundant number, since it is smaller than the sum of its proper divisors (26605532).

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

23879140 is a wasteful number, since it uses less digits than its factorization.

23879140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8067 (or 8065 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 23879140 is about 4886.6286947138. The cubic root of 23879140 is about 287.9649037737.

The spelling of 23879140 in words is "twenty-three million, eight hundred seventy-nine thousand, one hundred forty".