323140434 has 16 divisors (see below), whose sum is σ = 662044320. Its totient is φ = 105086240.

The previous prime is 323140427. The next prime is 323140457. The reversal of 323140434 is 434041323.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 656544 + ... + 657035.

It is an arithmetic number, because the mean of its divisors is an integer number (41377770).

Almost surely, 2^323140434 is an apocalyptic number.

323140434 is an abundant number, since it is smaller than the sum of its proper divisors (338903886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

323140434 is a wasteful number, since it uses less digits than its factorization.

323140434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313625.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 323140434 is about 17976.1073094260. The cubic root of 323140434 is about 686.2206264779.

Adding to 323140434 its reverse (434041323), we get a palindrome (757181757).

The spelling of 323140434 in words is "three hundred twenty-three million, one hundred forty thousand, four hundred thirty-four".