404434323 has 64 divisors (see below), whose sum is σ = 665395200. Its totient is φ = 241639200.

The previous prime is 404434313. The next prime is 404434337. The reversal of 404434323 is 323434404.

It is not a de Polignac number, because 404434323 - 2¹³ = 404426131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (404434313) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1781536 + ... + 1781762.

It is an arithmetic number, because the mean of its divisors is an integer number (10396800).

Almost surely, 2^404434323 is an apocalyptic number.

404434323 is a deficient number, since it is larger than the sum of its proper divisors (260960877).

404434323 is a wasteful number, since it uses less digits than its factorization.

404434323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429 (or 423 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

The square root of 404434323 is about 20110.5525284613. The cubic root of 404434323 is about 739.5189977386.

Adding to 404434323 its reverse (323434404), we get a palindrome (727868727).

The spelling of 404434323 in words is "four hundred four million, four hundred thirty-four thousand, three hundred twenty-three".