23624420 has 24 divisors (see below), whose sum is σ = 49896000. Its totient is φ = 9395552.

The previous prime is 23624411. The next prime is 23624431. The reversal of 23624420 is 2442632.

It is a super-2 number, since 2×23624420² = 1116226440672800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281 + ... + 6879.

It is an arithmetic number, because the mean of its divisors is an integer number (2079000).

Almost surely, 2^23624420 is an apocalyptic number.

23624420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23624420 is an abundant number, since it is smaller than the sum of its proper divisors (26271580).

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

23624420 is a wasteful number, since it uses less digits than its factorization.

23624420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6787 (or 6785 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 23624420 is about 4860.4958594777. The cubic root of 23624420 is about 286.9373292483.

The spelling of 23624420 in words is "twenty-three million, six hundred twenty-four thousand, four hundred twenty".