311396023 has 8 divisors (see below), whose sum is σ = 321785856. Its totient is φ = 301027800.

The previous prime is 311395993. The next prime is 311396047. The reversal of 311396023 is 320693113.

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-311396023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 311395982 and 311396000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311396053) 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, 27090 + ... + 36832.

It is an arithmetic number, because the mean of its divisors is an integer number (40223232).

Almost surely, 2^311396023 is an apocalyptic number.

311396023 is a deficient number, since it is larger than the sum of its proper divisors (10389833).

311396023 is a wasteful number, since it uses less digits than its factorization.

311396023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10805.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 311396023 is about 17646.4167184162. The cubic root of 311396023 is about 677.8043533898.

The spelling of 311396023 in words is "three hundred eleven million, three hundred ninety-six thousand, twenty-three".