23422537 has 2 divisors, whose sum is σ = 23422538. Its totient is φ = 23422536.

The previous prime is 23422501. The next prime is 23422543. The reversal of 23422537 is 73522432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22838841 + 583696 = 4779^2 + 764^2 .

It is a cyclic number.

It is not a de Polignac number, because 23422537 - 2⁷ = 23422409 is a prime.

It is not a weakly prime, because it can be changed into another prime (23422547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11711268 + 11711269.

It is an arithmetic number, because the mean of its divisors is an integer number (11711269).

Almost surely, 2^23422537 is an apocalyptic number.

It is an amenable number.

23422537 is a deficient number, since it is larger than the sum of its proper divisors (1).

23422537 is an equidigital number, since it uses as much as digits as its factorization.

23422537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 28.

The square root of 23422537 is about 4839.6835640360. The cubic root of 23422537 is about 286.1176468409.

Adding to 23422537 its reverse (73522432), we get a palindrome (96944969).

The spelling of 23422537 in words is "twenty-three million, four hundred twenty-two thousand, five hundred thirty-seven".