404303123 has 8 divisors (see below), whose sum is σ = 477994080. Its totient is φ = 334595520.

The previous prime is 404303111. The next prime is 404303143. The reversal of 404303123 is 321303404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 404303123 - 2⁸ = 404302867 is a prime.

It is a super-2 number, since 2×404303123² = 326922030535106258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 404303095 and 404303104.

It is not an unprimeable number, because it can be changed into a prime (404303143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 995618 + ... + 996023.

It is an arithmetic number, because the mean of its divisors is an integer number (59749260).

Almost surely, 2^404303123 is an apocalyptic number.

404303123 is a deficient number, since it is larger than the sum of its proper divisors (73690957).

404303123 is a wasteful number, since it uses less digits than its factorization.

404303123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991677.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 404303123 is about 20107.2902948160. The cubic root of 404303123 is about 739.4390215178.

Adding to 404303123 its reverse (321303404), we get a palindrome (725606527).

The spelling of 404303123 in words is "four hundred four million, three hundred three thousand, one hundred twenty-three".