23641897 has 2 divisors, whose sum is σ = 23641898. Its totient is φ = 23641896.

The previous prime is 23641843. The next prime is 23641903. The reversal of 23641897 is 79814632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22429696 + 1212201 = 4736^2 + 1101^2 .

It is a cyclic number.

It is not a de Polignac number, because 23641897 - 2¹¹ = 23639849 is a prime.

It is not a weakly prime, because it can be changed into another prime (23641837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11820948 + 11820949.

It is an arithmetic number, because the mean of its divisors is an integer number (11820949).

Almost surely, 2^23641897 is an apocalyptic number.

It is an amenable number.

23641897 is a deficient number, since it is larger than the sum of its proper divisors (1).

23641897 is an equidigital number, since it uses as much as digits as its factorization.

23641897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 40.

The square root of 23641897 is about 4862.2933889267. The cubic root of 23641897 is about 287.0080691520.

The spelling of 23641897 in words is "twenty-three million, six hundred forty-one thousand, eight hundred ninety-seven".