23867020 has 12 divisors (see below), whose sum is σ = 50120784. Its totient is φ = 9546800.

The previous prime is 23867017. The next prime is 23867027. The reversal of 23867020 is 2076832.

It is a self number, because there is not a number n which added to its sum of digits gives 23867020.

It is not an unprimeable number, because it can be changed into a prime (23867027) 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, 596656 + ... + 596695.

It is an arithmetic number, because the mean of its divisors is an integer number (4176732).

Almost surely, 2^23867020 is an apocalyptic number.

23867020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23867020 is an abundant number, since it is smaller than the sum of its proper divisors (26253764).

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

23867020 is a wasteful number, since it uses less digits than its factorization.

23867020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193360 (or 1193358 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 23867020 is about 4885.3884185395. The cubic root of 23867020 is about 287.9161760937.

The spelling of 23867020 in words is "twenty-three million, eight hundred sixty-seven thousand, twenty".