23512493 has 2 divisors, whose sum is σ = 23512494. Its totient is φ = 23512492.

The previous prime is 23512471. The next prime is 23512507. The reversal of 23512493 is 39421532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21501769 + 2010724 = 4637^2 + 1418^2 .

It is a cyclic number.

It is not a de Polignac number, because 23512493 - 2¹⁰ = 23511469 is a prime.

It is a Chen prime.

It is equal to p_1478450 and since 23512493 and 1478450 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23512403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11756246 + 11756247.

It is an arithmetic number, because the mean of its divisors is an integer number (11756247).

Almost surely, 2^23512493 is an apocalyptic number.

It is an amenable number.

23512493 is a deficient number, since it is larger than the sum of its proper divisors (1).

23512493 is an equidigital number, since it uses as much as digits as its factorization.

23512493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 29.

The square root of 23512493 is about 4848.9682407704. The cubic root of 23512493 is about 286.4834643096.

The spelling of 23512493 in words is "twenty-three million, five hundred twelve thousand, four hundred ninety-three".