23647881369 has 16 divisors (see below), whose sum is σ = 36040071168. Its totient is φ = 13511123472.

The previous prime is 23647881329. The next prime is 23647881371. The reversal of 23647881369 is 96318874632.

It is not a de Polignac number, because 23647881369 - 2⁹ = 23647880857 is a prime.

It is a super-2 number, since 2×23647881369² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23647881329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74494 + ... + 229880.

It is an arithmetic number, because the mean of its divisors is an integer number (2252504448).

Almost surely, 2^23647881369 is an apocalyptic number.

It is an amenable number.

23647881369 is a deficient number, since it is larger than the sum of its proper divisors (12392189799).

23647881369 is a wasteful number, since it uses less digits than its factorization.

23647881369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162644.

The product of its digits is 10450944, while the sum is 57.

The spelling of 23647881369 in words is "twenty-three billion, six hundred forty-seven million, eight hundred eighty-one thousand, three hundred sixty-nine".