23388956181369 has 21 divisors (see below), whose sum is σ = 35067588242133. Its totient is φ = 15592550402412.

The previous prime is 23388956181361. The next prime is 23388956181377. The reversal of 23388956181369 is 96318165988332.

The square root of 23388956181369 is 4836213.

It is a perfect power (a square), and thus also a powerful number.

23388956181369 is a `hidden beast` number, since 2 + 3 + 3 + 8 + 89 + 5 + 6 + 181 + 369 = 666.

It is an interprime number because it is at equal distance from previous prime (23388956181361) and next prime (23388956181377).

It is not a de Polignac number, because 23388956181369 - 2³ = 23388956181361 is a prime.

It is a super-2 number, since 2×23388956181369² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23388956181297 and 23388956181306.

It is not an unprimeable number, because it can be changed into a prime (23388956181361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 130488192 + ... + 130667310.

Almost surely, 2^{23388956181369} is an apocalyptic number.

23388956181369 is the 4836213-rd square number.

23388956181369 is the 2418107-th centered octagonal number.

It is an amenable number.

23388956181369 is a deficient number, since it is larger than the sum of its proper divisors (11678632060764).

23388956181369 is an frugal number, since it uses more digits than its factorization.

23388956181369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358256 (or 179122 counting only the distinct ones).

The product of its digits is 403107840, while the sum is 72.

The spelling of 23388956181369 in words is "twenty-three trillion, three hundred eighty-eight billion, nine hundred fifty-six million, one hundred eighty-one thousand, three hundred sixty-nine".