23970137 has 2 divisors, whose sum is σ = 23970138. Its totient is φ = 23970136.

The previous prime is 23970127. The next prime is 23970169. The reversal of 23970137 is 73107932.

It is an a-pointer prime, because the next prime (23970169) can be obtained adding 23970137 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20394256 + 3575881 = 4516^2 + 1891^2 .

It is a cyclic number.

It is not a de Polignac number, because 23970137 - 2⁶ = 23970073 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23970127) 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, 11985068 + 11985069.

It is an arithmetic number, because the mean of its divisors is an integer number (11985069).

Almost surely, 2^23970137 is an apocalyptic number.

It is an amenable number.

23970137 is a deficient number, since it is larger than the sum of its proper divisors (1).

23970137 is an equidigital number, since it uses as much as digits as its factorization.

23970137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7938, while the sum is 32.

The square root of 23970137 is about 4895.9306571887. The cubic root of 23970137 is about 288.3302257973.

The spelling of 23970137 in words is "twenty-three million, nine hundred seventy thousand, one hundred thirty-seven".