23849561144 has 16 divisors (see below), whose sum is σ = 44720471520. Its totient is φ = 11924102080.

The previous prime is 23849561093. The next prime is 23849561149. The reversal of 23849561144 is 44116594832.

It is a super-2 number, since 2×23849561144² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23849561149) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 84449 + ... + 234159.

It is an arithmetic number, because the mean of its divisors is an integer number (2795029470).

Almost surely, 2^23849561144 is an apocalyptic number.

It is an amenable number.

23849561144 is a deficient number, since it is larger than the sum of its proper divisors (20870910376).

23849561144 is a wasteful number, since it uses less digits than its factorization.

23849561144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169630 (or 169626 counting only the distinct ones).

The product of its digits is 829440, while the sum is 47.

The spelling of 23849561144 in words is "twenty-three billion, eight hundred forty-nine million, five hundred sixty-one thousand, one hundred forty-four".