22979623 has 2 divisors, whose sum is σ = 22979624. Its totient is φ = 22979622.

The previous prime is 22979603. The next prime is 22979653. The reversal of 22979623 is 32697922.

22979623 is nontrivially palindromic in base 12.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22979623 - 2²¹ = 20882471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22979603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11489811 + 11489812.

It is an arithmetic number, because the mean of its divisors is an integer number (11489812).

Almost surely, 2^22979623 is an apocalyptic number.

22979623 is a deficient number, since it is larger than the sum of its proper divisors (1).

22979623 is an equidigital number, since it uses as much as digits as its factorization.

22979623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 40.

The square root of 22979623 is about 4793.7066034542. The cubic root of 22979623 is about 284.3026884207.

The spelling of 22979623 in words is "twenty-two million, nine hundred seventy-nine thousand, six hundred twenty-three".