323441661 has 16 divisors (see below), whose sum is σ = 443741760. Its totient is φ = 209431680.

The previous prime is 323441659. The next prime is 323441681. The reversal of 323441661 is 166144323.

It is not a de Polignac number, because 323441661 - 2¹ = 323441659 is a prime.

It is a super-2 number, since 2×323441661² = 209229016140877842, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323441681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22426 + ... + 33908.

It is an arithmetic number, because the mean of its divisors is an integer number (27733860).

Almost surely, 2^323441661 is an apocalyptic number.

It is an amenable number.

323441661 is a deficient number, since it is larger than the sum of its proper divisors (120300099).

323441661 is a wasteful number, since it uses less digits than its factorization.

323441661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11756.

The product of its digits is 10368, while the sum is 30.

The square root of 323441661 is about 17984.4838958476. The cubic root of 323441661 is about 686.4337886844.

Adding to 323441661 its reverse (166144323), we get a palindrome (489585984).

The spelling of 323441661 in words is "three hundred twenty-three million, four hundred forty-one thousand, six hundred sixty-one".