403104123 has 6 divisors (see below), whose sum is σ = 582261524. Its totient is φ = 268736076.

The previous prime is 403104041. The next prime is 403104131. The reversal of 403104123 is 321401304.

It is a de Polignac number, because none of the positive numbers 2^k-403104123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 403104096 and 403104105.

It is not an unprimeable number, because it can be changed into a prime (403104173) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22394665 + ... + 22394682.

Almost surely, 2^403104123 is an apocalyptic number.

403104123 is a deficient number, since it is larger than the sum of its proper divisors (179157401).

403104123 is a wasteful number, since it uses less digits than its factorization.

403104123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44789353 (or 44789350 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 403104123 is about 20077.4531004308. The cubic root of 403104123 is about 738.7073384453.

Adding to 403104123 its reverse (321401304), we get a palindrome (724505427).

The spelling of 403104123 in words is "four hundred three million, one hundred four thousand, one hundred twenty-three".