23963620 has 24 divisors (see below), whose sum is σ = 51948288. Its totient is φ = 9276000.

The previous prime is 23963603. The next prime is 23963627. The reversal of 23963620 is 2636932.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (23963627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18706 + ... + 19945.

It is an arithmetic number, because the mean of its divisors is an integer number (2164512).

Almost surely, 2^23963620 is an apocalyptic number.

23963620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23963620 is an abundant number, since it is smaller than the sum of its proper divisors (27984668).

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

23963620 is a wasteful number, since it uses less digits than its factorization.

23963620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38691 (or 38689 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 23963620 is about 4895.2650592179. The cubic root of 23963620 is about 288.3040930249.

The spelling of 23963620 in words is "twenty-three million, nine hundred sixty-three thousand, six hundred twenty".