2313123321 has 8 divisors (see below), whose sum is σ = 3086584704. Its totient is φ = 1540872080.

The previous prime is 2313123313. The next prime is 2313123331. The reversal of 2313123321 is 1233213132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2313123321 - 2³ = 2313123313 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2313123331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298065 + ... + 305726.

It is an arithmetic number, because the mean of its divisors is an integer number (385823088).

Almost surely, 2^2313123321 is an apocalyptic number.

It is an amenable number.

2313123321 is a deficient number, since it is larger than the sum of its proper divisors (773461383).

2313123321 is a wasteful number, since it uses less digits than its factorization.

2313123321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605071.

The product of its digits is 648, while the sum is 21.

The square root of 2313123321 is about 48094.9407006600. The cubic root of 2313123321 is about 1322.5119219721.

Adding to 2313123321 its reverse (1233213132), we get a palindrome (3546336453).

The spelling of 2313123321 in words is "two billion, three hundred thirteen million, one hundred twenty-three thousand, three hundred twenty-one".