2321139924 has 36 divisors (see below), whose sum is σ = 5873232820. Its totient is φ = 772934400.

The previous prime is 2321139913. The next prime is 2321139941. The reversal of 2321139924 is 4299311232.

2321139924 is a `hidden beast` number, since 232 + 11 + 399 + 24 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1557723024 + 763416900 = 39468^2 + 27630^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 4374 + ... + 68274.

Almost surely, 2^2321139924 is an apocalyptic number.

It is an amenable number.

2321139924 is an abundant number, since it is smaller than the sum of its proper divisors (3552092896).

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

2321139924 is a wasteful number, since it uses less digits than its factorization.

2321139924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64920 (or 64915 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 2321139924 is about 48178.2100539238. The cubic root of 2321139924 is about 1324.0379724295.

The spelling of 2321139924 in words is "two billion, three hundred twenty-one million, one hundred thirty-nine thousand, nine hundred twenty-four".