23144621244 has 96 divisors (see below), whose sum is σ = 55445644800. Its totient is φ = 7511900160.

The previous prime is 23144621207. The next prime is 23144621267. The reversal of 23144621244 is 44212644132.

It is a super-2 number, since 2×23144621244² (a number of 22 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56588112 + ... + 56588520.

It is an arithmetic number, because the mean of its divisors is an integer number (577558800).

Almost surely, 2^23144621244 is an apocalyptic number.

It is an amenable number.

23144621244 is an abundant number, since it is smaller than the sum of its proper divisors (32301023556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23144621244 is a wasteful number, since it uses less digits than its factorization.

23144621244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043 (or 1041 counting only the distinct ones).

The product of its digits is 36864, while the sum is 33.

The spelling of 23144621244 in words is "twenty-three billion, one hundred forty-four million, six hundred twenty-one thousand, two hundred forty-four".