323440401 has 16 divisors (see below), whose sum is σ = 456319040. Its totient is φ = 203212800.

The previous prime is 323440399. The next prime is 323440427. The reversal of 323440401 is 104044323.

It is not a de Polignac number, because 323440401 - 2¹ = 323440399 is a prime.

It is a super-2 number, since 2×323440401² = 209227385998081602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323440501) 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, 3700 + ... + 25701.

It is an arithmetic number, because the mean of its divisors is an integer number (28519940).

Almost surely, 2^323440401 is an apocalyptic number.

It is an amenable number.

323440401 is a deficient number, since it is larger than the sum of its proper divisors (132878639).

323440401 is a wasteful number, since it uses less digits than its factorization.

323440401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29616.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 323440401 is about 17984.4488656172. The cubic root of 323440401 is about 686.4328973256.

Adding to 323440401 its reverse (104044323), we get a palindrome (427484724).

The spelling of 323440401 in words is "three hundred twenty-three million, four hundred forty thousand, four hundred one".