400323104 has 12 divisors (see below), whose sum is σ = 788136174. Its totient is φ = 200161536.

The previous prime is 400323071. The next prime is 400323137. The reversal of 400323104 is 401323004.

It is an interprime number because it is at equal distance from previous prime (400323071) and next prime (400323137).

It can be written as a sum of positive squares in only one way, i.e., 240250000 + 160073104 = 15500^2 + 12652^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6255017 + ... + 6255080.

Almost surely, 2^400323104 is an apocalyptic number.

It is an amenable number.

400323104 is a deficient number, since it is larger than the sum of its proper divisors (387813070).

400323104 is a wasteful number, since it uses less digits than its factorization.

400323104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12510107 (or 12510099 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 400323104 is about 20008.0759694679. The cubic root of 400323104 is about 737.0046338877.

Adding to 400323104 its reverse (401323004), we get a palindrome (801646108).

The spelling of 400323104 in words is "four hundred million, three hundred twenty-three thousand, one hundred four".