23872813349 has 32 divisors (see below), whose sum is σ = 30308146176. Its totient is φ = 18263646720.

The previous prime is 23872813339. The next prime is 23872813357. The reversal of 23872813349 is 94331827832.

It is a happy number.

It is not a de Polignac number, because 23872813349 - 2⁴ = 23872813333 is a prime.

It is a super-2 number, since 2×23872813349² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23872813297 and 23872813306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23872813339) 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 31 ways as a sum of consecutive naturals, for example, 1576277 + ... + 1591349.

It is an arithmetic number, because the mean of its divisors is an integer number (947129568).

Almost surely, 2^23872813349 is an apocalyptic number.

It is an amenable number.

23872813349 is a deficient number, since it is larger than the sum of its proper divisors (6435332827).

23872813349 is a wasteful number, since it uses less digits than its factorization.

23872813349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15465.

The product of its digits is 1741824, while the sum is 50.

The spelling of 23872813349 in words is "twenty-three billion, eight hundred seventy-two million, eight hundred thirteen thousand, three hundred forty-nine".