23479620 has 48 divisors (see below), whose sum is σ = 65959488. Its totient is φ = 6240640.

The previous prime is 23479613. The next prime is 23479627. The reversal of 23479620 is 2697432.

It is an interprime number because it is at equal distance from previous prime (23479613) and next prime (23479627).

It is not an unprimeable number, because it can be changed into a prime (23479627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29062 + ... + 29858.

It is an arithmetic number, because the mean of its divisors is an integer number (1374156).

Almost surely, 2^23479620 is an apocalyptic number.

23479620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23479620 is an abundant number, since it is smaller than the sum of its proper divisors (42479868).

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

23479620 is a wasteful number, since it uses less digits than its factorization.

23479620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300 (or 1298 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 23479620 is about 4845.5773649793. The cubic root of 23479620 is about 286.3498904508.

The spelling of 23479620 in words is "twenty-three million, four hundred seventy-nine thousand, six hundred twenty".