23985614413 has 4 divisors (see below), whose sum is σ = 24633874300. Its totient is φ = 23337354528.

The previous prime is 23985614399. The next prime is 23985614489. The reversal of 23985614413 is 31441658932.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19439888329 + 4545726084 = 139427^2 + 67422^2 .

It is a cyclic number.

It is not a de Polignac number, because 23985614413 - 2⁹ = 23985613901 is a prime.

It is a super-2 number, since 2×23985614413² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23985614113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324129888 + ... + 324129961.

It is an arithmetic number, because the mean of its divisors is an integer number (6158468575).

Almost surely, 2^23985614413 is an apocalyptic number.

It is an amenable number.

23985614413 is a deficient number, since it is larger than the sum of its proper divisors (648259887).

23985614413 is an equidigital number, since it uses as much as digits as its factorization.

23985614413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648259886.

The product of its digits is 622080, while the sum is 46.

The spelling of 23985614413 in words is "twenty-three billion, nine hundred eighty-five million, six hundred fourteen thousand, four hundred thirteen".