104431323 has 16 divisors (see below), whose sum is σ = 148745376. Its totient is φ = 64942080.

The previous prime is 104431309. The next prime is 104431331. The reversal of 104431323 is 323134401.

It is not a de Polignac number, because 104431323 - 2⁴ = 104431307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104431323.

It is not an unprimeable number, because it can be changed into a prime (104431303) 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, 3298 + ... + 14823.

It is an arithmetic number, because the mean of its divisors is an integer number (9296586).

Almost surely, 2^104431323 is an apocalyptic number.

104431323 is a deficient number, since it is larger than the sum of its proper divisors (44314053).

104431323 is a wasteful number, since it uses less digits than its factorization.

104431323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18254.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 104431323 is about 10219.1644961807. The cubic root of 104431323 is about 470.9161592736.

Adding to 104431323 its reverse (323134401), we get a palindrome (427565724).

It can be divided in two parts, 10443 and 1323, that multiplied together give a square (13816089 = 3717²).

The spelling of 104431323 in words is "one hundred four million, four hundred thirty-one thousand, three hundred twenty-three".