311324423 has 4 divisors (see below), whose sum is σ = 311428488. Its totient is φ = 311220360.

The previous prime is 311324393. The next prime is 311324459. The reversal of 311324423 is 324423113.

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 311324423 - 2⁶ = 311324359 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 (311324023) 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, 47408 + ... + 53573.

It is an arithmetic number, because the mean of its divisors is an integer number (77857122).

Almost surely, 2^311324423 is an apocalyptic number.

311324423 is a deficient number, since it is larger than the sum of its proper divisors (104065).

311324423 is a wasteful number, since it uses less digits than its factorization.

311324423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104064.

The product of its digits is 1728, while the sum is 23.

The square root of 311324423 is about 17644.3878613003. The cubic root of 311324423 is about 677.7523997057.

Adding to 311324423 its reverse (324423113), we get a palindrome (635747536).

The spelling of 311324423 in words is "three hundred eleven million, three hundred twenty-four thousand, four hundred twenty-three".