404384123 has 16 divisors (see below), whose sum is σ = 476077056. Its totient is φ = 338631840.

The previous prime is 404384093. The next prime is 404384131. The reversal of 404384123 is 321483404.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404384123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (404384153) 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, 72086 + ... + 77492.

It is an arithmetic number, because the mean of its divisors is an integer number (29754816).

Almost surely, 2^404384123 is an apocalyptic number.

404384123 is a deficient number, since it is larger than the sum of its proper divisors (71692933).

404384123 is a wasteful number, since it uses less digits than its factorization.

404384123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5954.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 404384123 is about 20109.3043887649. The cubic root of 404384123 is about 739.4883991242.

The spelling of 404384123 in words is "four hundred four million, three hundred eighty-four thousand, one hundred twenty-three".