22938523 has 2 divisors, whose sum is σ = 22938524. Its totient is φ = 22938522.

The previous prime is 22938469. The next prime is 22938533. The reversal of 22938523 is 32583922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22938523 - 2⁹ = 22938011 is a prime.

It is not a weakly prime, because it can be changed into another prime (22938533) 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, 11469261 + 11469262.

It is an arithmetic number, because the mean of its divisors is an integer number (11469262).

Almost surely, 2^22938523 is an apocalyptic number.

22938523 is a deficient number, since it is larger than the sum of its proper divisors (1).

22938523 is an equidigital number, since it uses as much as digits as its factorization.

22938523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 34.

The square root of 22938523 is about 4789.4178143069. The cubic root of 22938523 is about 284.1330915900.

It can be divided in two parts, 2293 and 8523, that added together give a square (10816 = 104²).

The spelling of 22938523 in words is "twenty-two million, nine hundred thirty-eight thousand, five hundred twenty-three".