313305723 has 24 divisors (see below), whose sum is σ = 466524240. Its totient is φ = 202487040.

The previous prime is 313305703. The next prime is 313305731. The reversal of 313305723 is 327503313.

It is not a de Polignac number, because 313305723 - 2⁵ = 313305691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313305703) 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, 57543 + ... + 62751.

It is an arithmetic number, because the mean of its divisors is an integer number (19438510).

Almost surely, 2^313305723 is an apocalyptic number.

313305723 is a deficient number, since it is larger than the sum of its proper divisors (153218517).

313305723 is a wasteful number, since it uses less digits than its factorization.

313305723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5419 (or 5416 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 27.

The square root of 313305723 is about 17700.4441469699. Note that the first 3 decimals coincide. The cubic root of 313305723 is about 679.1871219470.

It can be divided in two parts, 313305 and 723, that added together give a triangular number (314028 = T₇₉₂).

The spelling of 313305723 in words is "three hundred thirteen million, three hundred five thousand, seven hundred twenty-three".