23642479415 has 8 divisors (see below), whose sum is σ = 28407682368. Its totient is φ = 18889512160.

The previous prime is 23642479381. The next prime is 23642479423. The reversal of 23642479415 is 51497424632.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-23642479415 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23642479415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3054671 + ... + 3062400.

It is an arithmetic number, because the mean of its divisors is an integer number (3550960296).

Almost surely, 2^23642479415 is an apocalyptic number.

23642479415 is a deficient number, since it is larger than the sum of its proper divisors (4765202953).

23642479415 is an equidigital number, since it uses as much as digits as its factorization.

23642479415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6117849.

The product of its digits is 1451520, while the sum is 47.

The spelling of 23642479415 in words is "twenty-three billion, six hundred forty-two million, four hundred seventy-nine thousand, four hundred fifteen".