311342423 has 12 divisors (see below), whose sum is σ = 362896200. Its totient is φ = 266332752.

The previous prime is 311342407. The next prime is 311342443. The reversal of 311342423 is 324243113.

It is not a de Polignac number, because 311342423 - 2⁴ = 311342407 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 (311342443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19553 + ... + 31701.

It is an arithmetic number, because the mean of its divisors is an integer number (30241350).

Almost surely, 2^311342423 is an apocalyptic number.

311342423 is a deficient number, since it is larger than the sum of its proper divisors (51553777).

311342423 is a wasteful number, since it uses less digits than its factorization.

311342423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12686 (or 12679 counting only the distinct ones).

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

The square root of 311342423 is about 17644.8979311301. The cubic root of 311342423 is about 677.7654614372.

Adding to 311342423 its reverse (324243113), we get a palindrome (635585536).

The spelling of 311342423 in words is "three hundred eleven million, three hundred forty-two thousand, four hundred twenty-three".