400103043 has 8 divisors (see below), whose sum is σ = 534639888. Its totient is φ = 266150784.

The previous prime is 400102993. The next prime is 400103047. The reversal of 400103043 is 340301004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 400103043 - 2⁶ = 400102979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (400103047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144546 + ... + 147287.

It is an arithmetic number, because the mean of its divisors is an integer number (66829986).

Almost surely, 2^400103043 is an apocalyptic number.

400103043 is a deficient number, since it is larger than the sum of its proper divisors (134536845).

400103043 is a wasteful number, since it uses less digits than its factorization.

400103043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292293.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 400103043 is about 20002.5759091173. The cubic root of 400103043 is about 736.8695632390.

Adding to 400103043 its reverse (340301004), we get a palindrome (740404047).

The spelling of 400103043 in words is "four hundred million, one hundred three thousand, forty-three".