22979423 has 2 divisors, whose sum is σ = 22979424. Its totient is φ = 22979422.

The previous prime is 22979413. The next prime is 22979431. The reversal of 22979423 is 32497922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22979423 - 2⁸ = 22979167 is a prime.

It is a super-3 number, since 3×22979423³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22979413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11489711 + 11489712.

It is an arithmetic number, because the mean of its divisors is an integer number (11489712).

Almost surely, 2^22979423 is an apocalyptic number.

22979423 is a deficient number, since it is larger than the sum of its proper divisors (1).

22979423 is an equidigital number, since it uses as much as digits as its factorization.

22979423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 38.

The square root of 22979423 is about 4793.6857427245. The cubic root of 22979423 is about 284.3018636218.

The spelling of 22979423 in words is "twenty-two million, nine hundred seventy-nine thousand, four hundred twenty-three".