2321503456 has 24 divisors (see below), whose sum is σ = 4656698424. Its totient is φ = 1138849920.

The previous prime is 2321503451. The next prime is 2321503487. The reversal of 2321503456 is 6543051232.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321503451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 682710 + ... + 686101.

It is an arithmetic number, because the mean of its divisors is an integer number (194029101).

Almost surely, 2^2321503456 is an apocalyptic number.

It is an amenable number.

2321503456 is an abundant number, since it is smaller than the sum of its proper divisors (2335194968).

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

2321503456 is a wasteful number, since it uses less digits than its factorization.

2321503456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368874 (or 1368866 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 2321503456 is about 48181.9826906282. The cubic root of 2321503456 is about 1324.1070914919.

Adding to 2321503456 its reverse (6543051232), we get a palindrome (8864554688).

The spelling of 2321503456 in words is "two billion, three hundred twenty-one million, five hundred three thousand, four hundred fifty-six".