23564897 has 2 divisors, whose sum is σ = 23564898. Its totient is φ = 23564896.

The previous prime is 23564881. The next prime is 23564927. The reversal of 23564897 is 79846532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17606416 + 5958481 = 4196^2 + 2441^2 .

It is a cyclic number.

It is not a de Polignac number, because 23564897 - 2⁴ = 23564881 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23564297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11782448 + 11782449.

It is an arithmetic number, because the mean of its divisors is an integer number (11782449).

Almost surely, 2^23564897 is an apocalyptic number.

It is an amenable number.

23564897 is a deficient number, since it is larger than the sum of its proper divisors (1).

23564897 is an equidigital number, since it uses as much as digits as its factorization.

23564897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 44.

The square root of 23564897 is about 4854.3688570194. The cubic root of 23564897 is about 286.6961418824.

The spelling of 23564897 in words is "twenty-three million, five hundred sixty-four thousand, eight hundred ninety-seven".