123313313 has 4 divisors (see below), whose sum is σ = 124254768. Its totient is φ = 122371860.

The previous prime is 123313303. The next prime is 123313331. The reversal of 123313313 is 313313321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123313313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123313303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470531 + ... + 470792.

It is an arithmetic number, because the mean of its divisors is an integer number (31063692).

Almost surely, 2^123313313 is an apocalyptic number.

It is an amenable number.

123313313 is a deficient number, since it is larger than the sum of its proper divisors (941455).

123313313 is an equidigital number, since it uses as much as digits as its factorization.

123313313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941454.

The product of its digits is 486, while the sum is 20.

The square root of 123313313 is about 11104.6527635942. The cubic root of 123313313 is about 497.7408922369.

Adding to 123313313 its reverse (313313321), we get a palindrome (436626634).

The spelling of 123313313 in words is "one hundred twenty-three million, three hundred thirteen thousand, three hundred thirteen".