23713537 has 2 divisors, whose sum is σ = 23713538. Its totient is φ = 23713536.

The previous prime is 23713531. The next prime is 23713541. The reversal of 23713537 is 73531732.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14447601 + 9265936 = 3801^2 + 3044^2 .

It is a cyclic number.

It is not a de Polignac number, because 23713537 - 2⁷ = 23713409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23713499 and 23713508.

It is not a weakly prime, because it can be changed into another prime (23713531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11856768 + 11856769.

It is an arithmetic number, because the mean of its divisors is an integer number (11856769).

Almost surely, 2^23713537 is an apocalyptic number.

It is an amenable number.

23713537 is a deficient number, since it is larger than the sum of its proper divisors (1).

23713537 is an equidigital number, since it uses as much as digits as its factorization.

23713537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13230, while the sum is 31.

The square root of 23713537 is about 4869.6547105519. The cubic root of 23713537 is about 287.2976754193.

The spelling of 23713537 in words is "twenty-three million, seven hundred thirteen thousand, five hundred thirty-seven".