311929423 has 24 divisors (see below), whose sum is σ = 352552928. Its totient is φ = 274313088.

The previous prime is 311929411. The next prime is 311929451. The reversal of 311929423 is 324929113.

It is not a de Polignac number, because 311929423 - 2¹³ = 311921231 is a prime.

It is a super-2 number, since 2×311929423² = 194599929866225858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311929493) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1125961 + ... + 1126237.

Almost surely, 2^311929423 is an apocalyptic number.

311929423 is a deficient number, since it is larger than the sum of its proper divisors (40623505).

311929423 is a wasteful number, since it uses less digits than its factorization.

311929423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 422 counting only the distinct ones).

The product of its digits is 11664, while the sum is 34.

The square root of 311929423 is about 17661.5238017562. The cubic root of 311929423 is about 678.1911433936.

The spelling of 311929423 in words is "three hundred eleven million, nine hundred twenty-nine thousand, four hundred twenty-three".