23656601 has 2 divisors, whose sum is σ = 23656602. Its totient is φ = 23656600.

The previous prime is 23656573. The next prime is 23656609. The reversal of 23656601 is 10665632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22848400 + 808201 = 4780^2 + 899^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23656601 is a prime.

It is not a weakly prime, because it can be changed into another prime (23656609) 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, 11828300 + 11828301.

It is an arithmetic number, because the mean of its divisors is an integer number (11828301).

Almost surely, 2^23656601 is an apocalyptic number.

It is an amenable number.

23656601 is a deficient number, since it is larger than the sum of its proper divisors (1).

23656601 is an equidigital number, since it uses as much as digits as its factorization.

23656601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 23656601 is about 4863.8051975794. The cubic root of 23656601 is about 287.0675580619.

The spelling of 23656601 in words is "twenty-three million, six hundred fifty-six thousand, six hundred one".