313123223 has 4 divisors (see below), whose sum is σ = 357855120. Its totient is φ = 268391328.

The previous prime is 313123201. The next prime is 313123229. The reversal of 313123223 is 322321313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322321313 = 113 ⋅2852401.

It is a cyclic number.

It is not a de Polignac number, because 313123223 - 2¹⁶ = 313057687 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 313123195 and 313123204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313123229) 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, 22365938 + ... + 22365951.

It is an arithmetic number, because the mean of its divisors is an integer number (89463780).

Almost surely, 2^313123223 is an apocalyptic number.

313123223 is a deficient number, since it is larger than the sum of its proper divisors (44731897).

313123223 is an equidigital number, since it uses as much as digits as its factorization.

313123223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44731896.

The product of its digits is 648, while the sum is 20.

The square root of 313123223 is about 17695.2881581510. The cubic root of 313123223 is about 679.0552212553.

Adding to 313123223 its reverse (322321313), we get a palindrome (635444536).

The spelling of 313123223 in words is "three hundred thirteen million, one hundred twenty-three thousand, two hundred twenty-three".