404319123 has 12 divisors (see below), whose sum is σ = 628941040. Its totient is φ = 248811696.

The previous prime is 404319121. The next prime is 404319127. The reversal of 404319123 is 321913404.

It is not a de Polignac number, because 404319123 - 2¹ = 404319121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (404319121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1727743 + ... + 1727976.

Almost surely, 2^404319123 is an apocalyptic number.

404319123 is a deficient number, since it is larger than the sum of its proper divisors (224621917).

404319123 is a wasteful number, since it uses less digits than its factorization.

404319123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3455738 (or 3455735 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 404319123 is about 20107.6881565236. The cubic root of 404319123 is about 739.4487756418.

The spelling of 404319123 in words is "four hundred four million, three hundred nineteen thousand, one hundred twenty-three".