23115497 has 2 divisors, whose sum is σ = 23115498. Its totient is φ = 23115496.

The previous prime is 23115451. The next prime is 23115503. The reversal of 23115497 is 79451132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22505536 + 609961 = 4744^2 + 781^2 .

It is a cyclic number.

It is not a de Polignac number, because 23115497 - 2⁸ = 23115241 is a prime.

It is not a weakly prime, because it can be changed into another prime (23115097) 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, 11557748 + 11557749.

It is an arithmetic number, because the mean of its divisors is an integer number (11557749).

Almost surely, 2^23115497 is an apocalyptic number.

It is an amenable number.

23115497 is a deficient number, since it is larger than the sum of its proper divisors (1).

23115497 is an equidigital number, since it uses as much as digits as its factorization.

23115497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 32.

The square root of 23115497 is about 4807.8578389965. The cubic root of 23115497 is about 284.8619296333.

The spelling of 23115497 in words is "twenty-three million, one hundred fifteen thousand, four hundred ninety-seven".