313123423 has 4 divisors (see below), whose sum is σ = 314713080. Its totient is φ = 311533768.

The previous prime is 313123333. The next prime is 313123441. The reversal of 313123423 is 324321313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324321313 = 4289 ⋅75617.

It is a cyclic number.

It is not a de Polignac number, because 313123423 - 2⁹ = 313122911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313123394 and 313123403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313123123) 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, 794533 + ... + 794926.

It is an arithmetic number, because the mean of its divisors is an integer number (78678270).

Almost surely, 2^313123423 is an apocalyptic number.

313123423 is a deficient number, since it is larger than the sum of its proper divisors (1589657).

313123423 is a wasteful number, since it uses less digits than its factorization.

313123423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589656.

The product of its digits is 1296, while the sum is 22.

The square root of 313123423 is about 17695.2938093720. The cubic root of 313123423 is about 679.0553658320.

Adding to 313123423 its reverse (324321313), we get a palindrome (637444736).

The spelling of 313123423 in words is "three hundred thirteen million, one hundred twenty-three thousand, four hundred twenty-three".