313040340023 has 4 divisors (see below), whose sum is σ = 314629377480. Its totient is φ = 311451302568.

The previous prime is 313040339981. The next prime is 313040340061. The reversal of 313040340023 is 320043040313.

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 313040340023 - 2²⁰ = 313039291447 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 (313040340523) 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, 794518433 + ... + 794518826.

It is an arithmetic number, because the mean of its divisors is an integer number (78657344370).

Almost surely, 2^313040340023 is an apocalyptic number.

313040340023 is a deficient number, since it is larger than the sum of its proper divisors (1589037457).

313040340023 is a wasteful number, since it uses less digits than its factorization.

313040340023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589037456.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 313040340023 its reverse (320043040313), we get a palindrome (633083380336).

The spelling of 313040340023 in words is "three hundred thirteen billion, forty million, three hundred forty thousand, twenty-three".