23922867 has 4 divisors (see below), whose sum is σ = 31897160. Its totient is φ = 15948576.

The previous prime is 23922853. The next prime is 23922887. The reversal of 23922867 is 76822932.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23922867 - 2⁴ = 23922851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23922887) 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, 3987142 + ... + 3987147.

It is an arithmetic number, because the mean of its divisors is an integer number (7974290).

Almost surely, 2^23922867 is an apocalyptic number.

23922867 is a deficient number, since it is larger than the sum of its proper divisors (7974293).

23922867 is an equidigital number, since it uses as much as digits as its factorization.

23922867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7974292.

The product of its digits is 72576, while the sum is 39.

The square root of 23922867 is about 4891.1007963443. The cubic root of 23922867 is about 288.1405684358.

The spelling of 23922867 in words is "twenty-three million, nine hundred twenty-two thousand, eight hundred sixty-seven".