23612657 has 2 divisors, whose sum is σ = 23612658. Its totient is φ = 23612656.

The previous prime is 23612639. The next prime is 23612663. The reversal of 23612657 is 75621632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23512801 + 99856 = 4849^2 + 316^2 .

It is a cyclic number.

It is not a de Polignac number, because 23612657 - 2¹⁰ = 23611633 is a prime.

It is not a weakly prime, because it can be changed into another prime (23312657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11806328 + 11806329.

It is an arithmetic number, because the mean of its divisors is an integer number (11806329).

Almost surely, 2^23612657 is an apocalyptic number.

It is an amenable number.

23612657 is a deficient number, since it is larger than the sum of its proper divisors (1).

23612657 is an equidigital number, since it uses as much as digits as its factorization.

23612657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 32.

The square root of 23612657 is about 4859.2856470885. The cubic root of 23612657 is about 286.8896976852.

The spelling of 23612657 in words is "twenty-three million, six hundred twelve thousand, six hundred fifty-seven".