23693721415 has 48 divisors (see below), whose sum is σ = 35904600000. Its totient is φ = 14997161088.

The previous prime is 23693721379. The next prime is 23693721431. The reversal of 23693721415 is 51412739632.

It is not a de Polignac number, because 23693721415 - 2²⁹ = 23156850503 is a prime.

It is a super-2 number, since 2×23693721415² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 248961 + ... + 330709.

It is an arithmetic number, because the mean of its divisors is an integer number (748012500).

Almost surely, 2^23693721415 is an apocalyptic number.

23693721415 is a deficient number, since it is larger than the sum of its proper divisors (12210878585).

23693721415 is an equidigital number, since it uses as much as digits as its factorization.

23693721415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81801 (or 81774 counting only the distinct ones).

The product of its digits is 272160, while the sum is 43.

The spelling of 23693721415 in words is "twenty-three billion, six hundred ninety-three million, seven hundred twenty-one thousand, four hundred fifteen".