23838353147 has 24 divisors (see below), whose sum is σ = 27905919552. Its totient is φ = 20303816400.

The previous prime is 23838353137. The next prime is 23838353153. The reversal of 23838353147 is 74135383832.

It is not a de Polignac number, because 23838353147 - 2²⁸ = 23569917691 is a prime.

It is a super-2 number, since 2×23838353147² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23838353107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8383508 + ... + 8386350.

It is an arithmetic number, because the mean of its divisors is an integer number (1162746648).

Almost surely, 2^23838353147 is an apocalyptic number.

23838353147 is a deficient number, since it is larger than the sum of its proper divisors (4067566405).

23838353147 is a wasteful number, since it uses less digits than its factorization.

23838353147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3879 (or 3872 counting only the distinct ones).

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

The spelling of 23838353147 in words is "twenty-three billion, eight hundred thirty-eight million, three hundred fifty-three thousand, one hundred forty-seven".