23475197 has 2 divisors, whose sum is σ = 23475198. Its totient is φ = 23475196.

The previous prime is 23475191. The next prime is 23475209. The reversal of 23475197 is 79157432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23145721 + 329476 = 4811^2 + 574^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23475197 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23475197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23475191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11737598 + 11737599.

It is an arithmetic number, because the mean of its divisors is an integer number (11737599).

Almost surely, 2^23475197 is an apocalyptic number.

It is an amenable number.

23475197 is a deficient number, since it is larger than the sum of its proper divisors (1).

23475197 is an equidigital number, since it uses as much as digits as its factorization.

23475197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 38.

The square root of 23475197 is about 4845.1209479228. The cubic root of 23475197 is about 286.3319088268.

The spelling of 23475197 in words is "twenty-three million, four hundred seventy-five thousand, one hundred ninety-seven".