23137297 has 2 divisors, whose sum is σ = 23137298. Its totient is φ = 23137296.

The previous prime is 23137271. The next prime is 23137327. The reversal of 23137297 is 79273132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23126481 + 10816 = 4809^2 + 104^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23137297 is a prime.

It is not a weakly prime, because it can be changed into another prime (23137217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11568648 + 11568649.

It is an arithmetic number, because the mean of its divisors is an integer number (11568649).

Almost surely, 2^23137297 is an apocalyptic number.

It is an amenable number.

23137297 is a deficient number, since it is larger than the sum of its proper divisors (1).

23137297 is an equidigital number, since it uses as much as digits as its factorization.

23137297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15876, while the sum is 34.

The square root of 23137297 is about 4810.1244266651. The cubic root of 23137297 is about 284.9514516669.

The spelling of 23137297 in words is "twenty-three million, one hundred thirty-seven thousand, two hundred ninety-seven".