23623520 has 24 divisors (see below), whose sum is σ = 55810944. Its totient is φ = 9449344.

The previous prime is 23623513. The next prime is 23623529. The reversal of 23623520 is 2532632.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23623529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73664 + ... + 73983.

It is an arithmetic number, because the mean of its divisors is an integer number (2325456).

Almost surely, 2^23623520 is an apocalyptic number.

23623520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23623520 is an abundant number, since it is smaller than the sum of its proper divisors (32187424).

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

23623520 is a wasteful number, since it uses less digits than its factorization.

23623520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147662 (or 147654 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 23623520 is about 4860.4032754495. The cubic root of 23623520 is about 286.9336854640.

The spelling of 23623520 in words is "twenty-three million, six hundred twenty-three thousand, five hundred twenty".