323631604 has 6 divisors (see below), whose sum is σ = 566355314. Its totient is φ = 161815800.

The previous prime is 323631593. The next prime is 323631611. The reversal of 323631604 is 406136323.

It can be written as a sum of positive squares in only one way, i.e., 219632400 + 103999204 = 14820^2 + 10198^2 .

It is a super-2 number, since 2×323631604² = 209474830215225632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40453947 + ... + 40453954.

Almost surely, 2^323631604 is an apocalyptic number.

It is an amenable number.

323631604 is a deficient number, since it is larger than the sum of its proper divisors (242723710).

323631604 is a wasteful number, since it uses less digits than its factorization.

323631604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80907905 (or 80907903 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 323631604 is about 17989.7638672663. The cubic root of 323631604 is about 686.5681331369.

Adding to 323631604 its reverse (406136323), we get a palindrome (729767927).

The spelling of 323631604 in words is "three hundred twenty-three million, six hundred thirty-one thousand, six hundred four".