2321322140 has 12 divisors (see below), whose sum is σ = 4874776536. Its totient is φ = 928528848.

The previous prime is 2321322043. The next prime is 2321322149. The reversal of 2321322140 is 412231232.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 116066107 = 2321322140 / (2 + 3 + 2 + 1 + 3 + 2 + 2 + 1 + 4 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321322149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58033034 + ... + 58033073.

It is an arithmetic number, because the mean of its divisors is an integer number (406231378).

Almost surely, 2^2321322140 is an apocalyptic number.

2321322140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321322140 is an abundant number, since it is smaller than the sum of its proper divisors (2553454396).

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

2321322140 is a wasteful number, since it uses less digits than its factorization.

2321322140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116066116 (or 116066114 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2321322140 is about 48180.1010791800. The cubic root of 2321322140 is about 1324.0726184221.

Adding to 2321322140 its reverse (412231232), we get a palindrome (2733553372).

The spelling of 2321322140 in words is "two billion, three hundred twenty-one million, three hundred twenty-two thousand, one hundred forty".