23113997 has 2 divisors, whose sum is σ = 23113998. Its totient is φ = 23113996.

The previous prime is 23113963. The next prime is 23114009. The reversal of 23113997 is 79931132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22857961 + 256036 = 4781^2 + 506^2 .

It is a cyclic number.

It is not a de Polignac number, because 23113997 - 2¹⁸ = 22851853 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23113907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11556998 + 11556999.

It is an arithmetic number, because the mean of its divisors is an integer number (11556999).

Almost surely, 2^23113997 is an apocalyptic number.

It is an amenable number.

23113997 is a deficient number, since it is larger than the sum of its proper divisors (1).

23113997 is an equidigital number, since it uses as much as digits as its factorization.

23113997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10206, while the sum is 35.

The square root of 23113997 is about 4807.7018418367. The cubic root of 23113997 is about 284.8557677911.

The spelling of 23113997 in words is "twenty-three million, one hundred thirteen thousand, nine hundred ninety-seven".