323431004 has 12 divisors (see below), whose sum is σ = 609543144. Its totient is φ = 149275824.

The previous prime is 323430941. The next prime is 323431007. The reversal of 323431004 is 400134323.

It is a super-2 number, since 2×323431004² = 209215228696896032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323431007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3109862 + ... + 3109965.

It is an arithmetic number, because the mean of its divisors is an integer number (50795262).

Almost surely, 2^323431004 is an apocalyptic number.

It is an amenable number.

323431004 is a deficient number, since it is larger than the sum of its proper divisors (286112140).

323431004 is a wasteful number, since it uses less digits than its factorization.

323431004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6219844 (or 6219842 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 323431004 is about 17984.1876102314. The cubic root of 323431004 is about 686.4262495553.

Adding to 323431004 its reverse (400134323), we get a palindrome (723565327).

The spelling of 323431004 in words is "three hundred twenty-three million, four hundred thirty-one thousand, four".