22871923 has 4 divisors (see below), whose sum is σ = 23660640. Its totient is φ = 22083208.

The previous prime is 22871911. The next prime is 22871941. The reversal of 22871923 is 32917822.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22871923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22871903) 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, 394315 + ... + 394372.

It is an arithmetic number, because the mean of its divisors is an integer number (5915160).

Almost surely, 2^22871923 is an apocalyptic number.

22871923 is a deficient number, since it is larger than the sum of its proper divisors (788717).

22871923 is an equidigital number, since it uses as much as digits as its factorization.

22871923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788716.

The product of its digits is 12096, while the sum is 34.

The square root of 22871923 is about 4782.4599318761. The cubic root of 22871923 is about 283.8578398150.

The spelling of 22871923 in words is "twenty-two million, eight hundred seventy-one thousand, nine hundred twenty-three".