23934820 has 48 divisors (see below), whose sum is σ = 61867008. Its totient is φ = 7574400.

The previous prime is 23934809. The next prime is 23934829. The reversal of 23934820 is 2843932.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (23934829) 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, 4756 + ... + 8395.

It is an arithmetic number, because the mean of its divisors is an integer number (1288896).

Almost surely, 2^23934820 is an apocalyptic number.

23934820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23934820 is an abundant number, since it is smaller than the sum of its proper divisors (37932188).

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

23934820 is a wasteful number, since it uses less digits than its factorization.

23934820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13180 (or 13178 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 23934820 is about 4892.3225568231. The cubic root of 23934820 is about 288.1885500142.

The spelling of 23934820 in words is "twenty-three million, nine hundred thirty-four thousand, eight hundred twenty".