313423234 has 4 divisors (see below), whose sum is σ = 470134854. Its totient is φ = 156711616.

The previous prime is 313423217. The next prime is 313423247. The reversal of 313423234 is 432324313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 432324313 = 2221 ⋅194653.

It can be written as a sum of positive squares in only one way, i.e., 277122609 + 36300625 = 16647^2 + 6025^2 .

It is a super-2 number, since 2×313423234² = 196468247222037512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 313423199 and 313423208.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78355807 + ... + 78355810.

Almost surely, 2^313423234 is an apocalyptic number.

313423234 is a deficient number, since it is larger than the sum of its proper divisors (156711620).

313423234 is a wasteful number, since it uses less digits than its factorization.

313423234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156711619.

The product of its digits is 5184, while the sum is 25.

The square root of 313423234 is about 17703.7632722537. The cubic root of 313423234 is about 679.2720251536.

Adding to 313423234 its reverse (432324313), we get a palindrome (745747547).

The spelling of 313423234 in words is "three hundred thirteen million, four hundred twenty-three thousand, two hundred thirty-four".