404308103 has 2 divisors, whose sum is σ = 404308104. Its totient is φ = 404308102.

The previous prime is 404308057. The next prime is 404308123. The reversal of 404308103 is 301803404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404308103 - 2¹² = 404304007 is a prime.

It is a super-6 number, since 6×404308103⁶ (a number of 53 digits) contains 666666 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404308123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202154051 + 202154052.

It is an arithmetic number, because the mean of its divisors is an integer number (202154052).

Almost surely, 2^404308103 is an apocalyptic number.

404308103 is a deficient number, since it is larger than the sum of its proper divisors (1).

404308103 is an equidigital number, since it uses as much as digits as its factorization.

404308103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 404308103 is about 20107.4141301163. The cubic root of 404308103 is about 739.4420575165.

The spelling of 404308103 in words is "four hundred four million, three hundred eight thousand, one hundred three".