23523697 has 2 divisors, whose sum is σ = 23523698. Its totient is φ = 23523696.

The previous prime is 23523683. The next prime is 23523701. The reversal of 23523697 is 79632532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18284176 + 5239521 = 4276^2 + 2289^2 .

It is a cyclic number.

It is not a de Polignac number, because 23523697 - 2⁷ = 23523569 is a prime.

It is not a weakly prime, because it can be changed into another prime (23523667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11761848 + 11761849.

It is an arithmetic number, because the mean of its divisors is an integer number (11761849).

Almost surely, 2^23523697 is an apocalyptic number.

23523697 is the 2593-rd centered heptagonal number.

It is an amenable number.

23523697 is a deficient number, since it is larger than the sum of its proper divisors (1).

23523697 is an equidigital number, since it uses as much as digits as its factorization.

23523697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 37.

The square root of 23523697 is about 4850.1234004920. The cubic root of 23523697 is about 286.5289614139.

It can be divided in two parts, 235 and 23697, that added together give a palindrome (23932).

The spelling of 23523697 in words is "twenty-three million, five hundred twenty-three thousand, six hundred ninety-seven".