23144894361 has 12 divisors (see below), whose sum is σ = 33432959040. Its totient is φ = 15429262680.

The previous prime is 23144894347. The next prime is 23144894389. The reversal of 23144894361 is 16349844132.

It is not a de Polignac number, because 23144894361 - 2¹⁰ = 23144893337 is a prime.

It is a super-2 number, since 2×23144894361² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23144894761) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 256396 + ... + 334706.

It is an arithmetic number, because the mean of its divisors is an integer number (2786079920).

Almost surely, 2^23144894361 is an apocalyptic number.

It is an amenable number.

23144894361 is a deficient number, since it is larger than the sum of its proper divisors (10288064679).

23144894361 is a wasteful number, since it uses less digits than its factorization.

23144894361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111156 (or 111153 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The spelling of 23144894361 in words is "twenty-three billion, one hundred forty-four million, eight hundred ninety-four thousand, three hundred sixty-one".