123313023 has 12 divisors (see below), whose sum is σ = 184716168. Its totient is φ = 82208520.

The previous prime is 123312977. The next prime is 123313027. The reversal of 123313023 is 320313321.

It is not a de Polignac number, because 123313023 - 2²⁰ = 122264447 is a prime.

It is a super-2 number, since 2×123313023² = 30412203282797058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123312987 and 123313005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123313027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 253488 + ... + 253973.

It is an arithmetic number, because the mean of its divisors is an integer number (15393014).

Almost surely, 2^123313023 is an apocalyptic number.

123313023 is a deficient number, since it is larger than the sum of its proper divisors (61403145).

123313023 is an frugal number, since it uses more digits than its factorization.

123313023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507476 (or 507464 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 123313023 is about 11104.6397059968. The cubic root of 123313023 is about 497.7405020520.

Adding to 123313023 its reverse (320313321), we get a palindrome (443626344).

The spelling of 123313023 in words is "one hundred twenty-three million, three hundred thirteen thousand, twenty-three".