2321320123320 has 64 divisors (see below), whose sum is σ = 7597047680640. Its totient is φ = 562744272000.

The previous prime is 2321320123319. The next prime is 2321320123351. The reversal of 2321320123320 is 233210231232.

It is a super-2 number, since 2×2321320123320² (a number of 26 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 879286606 + ... + 879289245.

It is an arithmetic number, because the mean of its divisors is an integer number (118703870010).

Almost surely, 2^{2321320123320} is an apocalyptic number.

2321320123320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321320123320 is an abundant number, since it is smaller than the sum of its proper divisors (5275727557320).

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

2321320123320 is a wasteful number, since it uses less digits than its factorization.

2321320123320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758575876 (or 1758575872 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 2321320123320 its reverse (233210231232), we get a palindrome (2554530354552).

The spelling of 2321320123320 in words is "two trillion, three hundred twenty-one billion, three hundred twenty million, one hundred twenty-three thousand, three hundred twenty".