313123203223 has 4 divisors (see below), whose sum is σ = 313629057160. Its totient is φ = 312617349288.

The previous prime is 313123203209. The next prime is 313123203353. The reversal of 313123203223 is 322302321313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 313123203223 - 2³⁷ = 175684249751 is a prime.

It is a super-2 number, since 2×313123203223² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313123203203) 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, 252926040 + ... + 252927277.

It is an arithmetic number, because the mean of its divisors is an integer number (78407264290).

Almost surely, 2^313123203223 is an apocalyptic number.

313123203223 is a deficient number, since it is larger than the sum of its proper divisors (505853937).

313123203223 is an equidigital number, since it uses as much as digits as its factorization.

313123203223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505853936.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 313123203223 its reverse (322302321313), we get a palindrome (635425524536).

The spelling of 313123203223 in words is "three hundred thirteen billion, one hundred twenty-three million, two hundred three thousand, two hundred twenty-three".