311323423 has 8 divisors (see below), whose sum is σ = 326678400. Its totient is φ = 296120088.

The previous prime is 311323399. The next prime is 311323429. The reversal of 311323423 is 324323113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 311323423 - 2⁵ = 311323391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 311323394 and 311323403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311323429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33693 + ... + 41926.

It is an arithmetic number, because the mean of its divisors is an integer number (40834800).

Almost surely, 2^311323423 is an apocalyptic number.

311323423 is a deficient number, since it is larger than the sum of its proper divisors (15354977).

311323423 is a wasteful number, since it uses less digits than its factorization.

311323423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75821.

The product of its digits is 1296, while the sum is 22.

The square root of 311323423 is about 17644.3595236551. The cubic root of 311323423 is about 677.7516740392.

Adding to 311323423 its reverse (324323113), we get a palindrome (635646536).

The spelling of 311323423 in words is "three hundred eleven million, three hundred twenty-three thousand, four hundred twenty-three".