311356423 has 8 divisors (see below), whose sum is σ = 355999392. Its totient is φ = 266754336.

The previous prime is 311356417. The next prime is 311356447. The reversal of 311356423 is 324653113.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311356423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 311356391 and 311356400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311356483) 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, 8361 + ... + 26317.

It is an arithmetic number, because the mean of its divisors is an integer number (44499924).

Almost surely, 2^311356423 is an apocalyptic number.

311356423 is a deficient number, since it is larger than the sum of its proper divisors (44642969).

311356423 is a wasteful number, since it uses less digits than its factorization.

311356423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20441.

The product of its digits is 6480, while the sum is 28.

The square root of 311356423 is about 17645.2946419152. The cubic root of 311356423 is about 677.7756202137.

It can be divided in two parts, 3113 and 56423, that added together give a square (59536 = 244²).

The spelling of 311356423 in words is "three hundred eleven million, three hundred fifty-six thousand, four hundred twenty-three".