23724497 has 2 divisors, whose sum is σ = 23724498. Its totient is φ = 23724496.

The previous prime is 23724457. The next prime is 23724529. The reversal of 23724497 is 79442732.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12327121 + 11397376 = 3511^2 + 3376^2 .

It is a cyclic number.

It is not a de Polignac number, because 23724497 - 2²² = 19530193 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 23724497.

It is not a weakly prime, because it can be changed into another prime (23724457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11862248 + 11862249.

It is an arithmetic number, because the mean of its divisors is an integer number (11862249).

Almost surely, 2^23724497 is an apocalyptic number.

It is an amenable number.

23724497 is a deficient number, since it is larger than the sum of its proper divisors (1).

23724497 is an equidigital number, since it uses as much as digits as its factorization.

23724497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 38.

The square root of 23724497 is about 4870.7799170153. The cubic root of 23724497 is about 287.3419299949.

The spelling of 23724497 in words is "twenty-three million, seven hundred twenty-four thousand, four hundred ninety-seven".