313420265023 has 4 divisors (see below), whose sum is σ = 313639594840. Its totient is φ = 313200935208.

The previous prime is 313420264981. The next prime is 313420265087. The reversal of 313420265023 is 320562024313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320562024313 = 3533 ⋅90733661.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313420265023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313420265423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109662765 + ... + 109665622.

It is an arithmetic number, because the mean of its divisors is an integer number (78409898710).

Almost surely, 2^313420265023 is an apocalyptic number.

313420265023 is a deficient number, since it is larger than the sum of its proper divisors (219329817).

313420265023 is a wasteful number, since it uses less digits than its factorization.

313420265023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219329816.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 313420265023 its reverse (320562024313), we get a palindrome (633982289336).

The spelling of 313420265023 in words is "three hundred thirteen billion, four hundred twenty million, two hundred sixty-five thousand, twenty-three".