123313132313 has 12 divisors (see below), whose sum is σ = 143452734480. Its totient is φ = 105691926312.

The previous prime is 123313132273. The next prime is 123313132361. The reversal of 123313132313 is 313231313321.

It is not a de Polignac number, because 123313132313 - 2¹⁸ = 123312870169 is a prime.

It is a super-2 number, since 2×123313132313² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123313132013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1278578 + ... + 1371636.

It is an arithmetic number, because the mean of its divisors is an integer number (11954394540).

Almost surely, 2^123313132313 is an apocalyptic number.

It is an amenable number.

123313132313 is a deficient number, since it is larger than the sum of its proper divisors (20139602167).

123313132313 is an equidigital number, since it uses as much as digits as its factorization.

123313132313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120116 (or 120109 counting only the distinct ones).

The product of its digits is 2916, while the sum is 26.

Adding to 123313132313 its reverse (313231313321), we get a palindrome (436544445634).

The spelling of 123313132313 in words is "one hundred twenty-three billion, three hundred thirteen million, one hundred thirty-two thousand, three hundred thirteen".