404323103 has 2 divisors, whose sum is σ = 404323104. Its totient is φ = 404323102.

The previous prime is 404323069. The next prime is 404323123. The reversal of 404323103 is 301323404.

It is an a-pointer prime, because the next prime (404323123) can be obtained adding 404323103 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404323103 - 2²⁶ = 337214239 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404323123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202161551 + 202161552.

It is an arithmetic number, because the mean of its divisors is an integer number (202161552).

Almost surely, 2^404323103 is an apocalyptic number.

404323103 is a deficient number, since it is larger than the sum of its proper divisors (1).

404323103 is an equidigital number, since it uses as much as digits as its factorization.

404323103 is an evil number, because the sum of its binary digits is even.

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

The square root of 404323103 is about 20107.7871234007. The cubic root of 404323103 is about 739.4512019401.

Adding to 404323103 its reverse (301323404), we get a palindrome (705646507).

The spelling of 404323103 in words is "four hundred four million, three hundred twenty-three thousand, one hundred three".