2323120321 has 2 divisors, whose sum is σ = 2323120322. Its totient is φ = 2323120320.

The previous prime is 2323120301. The next prime is 2323120343. The reversal of 2323120321 is 1230213232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1187767296 + 1135353025 = 34464^2 + 33695^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2323120321 is a prime.

It is a super-3 number, since 3×2323120321³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2323120301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1161560160 + 1161560161.

It is an arithmetic number, because the mean of its divisors is an integer number (1161560161).

Almost surely, 2^2323120321 is an apocalyptic number.

It is an amenable number.

2323120321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2323120321 is an equidigital number, since it uses as much as digits as its factorization.

2323120321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2323120321 is about 48198.7585006087. The cubic root of 2323120321 is about 1324.4144218662.

Adding to 2323120321 its reverse (1230213232), we get a palindrome (3553333553).

The spelling of 2323120321 in words is "two billion, three hundred twenty-three million, one hundred twenty thousand, three hundred twenty-one".