123323131321 has 8 divisors (see below), whose sum is σ = 132880535424. Its totient is φ = 113775871440.

The previous prime is 123323131307. The next prime is 123323131343. The reversal of 123323131321 is 123131323321.

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 123323131321 - 2¹¹ = 123323129273 is a prime.

It is a super-2 number, since 2×123323131321² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123323131721) 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, 2510791 + ... + 2559436.

It is an arithmetic number, because the mean of its divisors is an integer number (16610066928).

Almost surely, 2^123323131321 is an apocalyptic number.

It is an amenable number.

123323131321 is a deficient number, since it is larger than the sum of its proper divisors (9557404103).

123323131321 is a wasteful number, since it uses less digits than its factorization.

123323131321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5072111.

The product of its digits is 1944, while the sum is 25.

Adding to 123323131321 its reverse (123131323321), we get a palindrome (246454454642).

The spelling of 123323131321 in words is "one hundred twenty-three billion, three hundred twenty-three million, one hundred thirty-one thousand, three hundred twenty-one".