23915217416 has 8 divisors (see below), whose sum is σ = 44841032670. Its totient is φ = 11957608704.

The previous prime is 23915217397. The next prime is 23915217419. The reversal of 23915217416 is 61471251932.

It can be written as a sum of positive squares in only one way, i.e., 23825157316 + 90060100 = 154354^2 + 9490^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (23915217419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1494701081 + ... + 1494701096.

Almost surely, 2^23915217416 is an apocalyptic number.

It is an amenable number.

23915217416 is a deficient number, since it is larger than the sum of its proper divisors (20925815254).

23915217416 is a wasteful number, since it uses less digits than its factorization.

23915217416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2989402183 (or 2989402179 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The spelling of 23915217416 in words is "twenty-three billion, nine hundred fifteen million, two hundred seventeen thousand, four hundred sixteen".