23715473 has 2 divisors, whose sum is σ = 23715474. Its totient is φ = 23715472.

The previous prime is 23715421. The next prime is 23715479. The reversal of 23715473 is 37451732.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16703569 + 7011904 = 4087^2 + 2648^2 .

It is a cyclic number.

It is not a de Polignac number, because 23715473 - 2²² = 19521169 is a prime.

It is a super-2 number, since 2×23715473² = 1124847319227458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23715479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11857736 + 11857737.

It is an arithmetic number, because the mean of its divisors is an integer number (11857737).

Almost surely, 2^23715473 is an apocalyptic number.

It is an amenable number.

23715473 is a deficient number, since it is larger than the sum of its proper divisors (1).

23715473 is an equidigital number, since it uses as much as digits as its factorization.

23715473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640, while the sum is 32.

The square root of 23715473 is about 4869.8534885559. The cubic root of 23715473 is about 287.3054936424.

The spelling of 23715473 in words is "twenty-three million, seven hundred fifteen thousand, four hundred seventy-three".