400332103 has 2 divisors, whose sum is σ = 400332104. Its totient is φ = 400332102.

The previous prime is 400332091. The next prime is 400332131. The reversal of 400332103 is 301233004.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400332103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400332703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200166051 + 200166052.

It is an arithmetic number, because the mean of its divisors is an integer number (200166052).

Almost surely, 2^400332103 is an apocalyptic number.

400332103 is a deficient number, since it is larger than the sum of its proper divisors (1).

400332103 is an equidigital number, since it uses as much as digits as its factorization.

400332103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 400332103 is about 20008.3008523962. The cubic root of 400332103 is about 737.0101563061.

Adding to 400332103 its reverse (301233004), we get a palindrome (701565107).

Subtracting from 400332103 its reverse (301233004), we obtain a palindrome (99099099).

The spelling of 400332103 in words is "four hundred million, three hundred thirty-two thousand, one hundred three".