2321123136 has 28 divisors (see below), whose sum is σ = 6141305472. Its totient is φ = 773707648.

The previous prime is 2321123113. The next prime is 2321123149. The reversal of 2321123136 is 6313211232.

It is a super-2 number, since 2×2321123136² = 10775225224948948992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 3 ways as a sum of consecutive naturals, for example, 6044400 + ... + 6044783.

Almost surely, 2^2321123136 is an apocalyptic number.

It is an amenable number.

2321123136 is an abundant number, since it is smaller than the sum of its proper divisors (3820182336).

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

2321123136 is a wasteful number, since it uses less digits than its factorization.

2321123136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12089198 (or 12089188 counting only the distinct ones).

The product of its digits is 1296, while the sum is 24.

The square root of 2321123136 is about 48178.0358254672. The cubic root of 2321123136 is about 1324.0347803193.

Adding to 2321123136 its reverse (6313211232), we get a palindrome (8634334368).

The spelling of 2321123136 in words is "two billion, three hundred twenty-one million, one hundred twenty-three thousand, one hundred thirty-six".