23927513 has 2 divisors, whose sum is σ = 23927514. Its totient is φ = 23927512.

The previous prime is 23927507. The next prime is 23927557. The reversal of 23927513 is 31572932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23892544 + 34969 = 4888^2 + 187^2 .

It is a cyclic number.

It is not a de Polignac number, because 23927513 - 2¹⁰ = 23926489 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 23927513.

It is not a weakly prime, because it can be changed into another prime (23927573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11963756 + 11963757.

It is an arithmetic number, because the mean of its divisors is an integer number (11963757).

Almost surely, 2^23927513 is an apocalyptic number.

It is an amenable number.

23927513 is a deficient number, since it is larger than the sum of its proper divisors (1).

23927513 is an equidigital number, since it uses as much as digits as its factorization.

23927513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 32.

The square root of 23927513 is about 4891.5757174964. The cubic root of 23927513 is about 288.1592202475.

The spelling of 23927513 in words is "twenty-three million, nine hundred twenty-seven thousand, five hundred thirteen".