100043043 has 8 divisors (see below), whose sum is σ = 134209728. Its totient is φ = 66285864.

The previous prime is 100043039. The next prime is 100043051. The reversal of 100043043 is 340340001.

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

It is not a de Polignac number, because 100043043 - 2² = 100043039 is a prime.

It is a super-2 number, since 2×100043043² = 20017220905399698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100043003) 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, 101805 + ... + 102782.

It is an arithmetic number, because the mean of its divisors is an integer number (16776216).

Almost surely, 2^100043043 is an apocalyptic number.

100043043 is a deficient number, since it is larger than the sum of its proper divisors (34166685).

100043043 is a wasteful number, since it uses less digits than its factorization.

100043043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204753.

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

The square root of 100043043 is about 10002.1519184623. The cubic root of 100043043 is about 464.2254697780.

Adding to 100043043 its reverse (340340001), we get a palindrome (440383044).

The spelling of 100043043 in words is "one hundred million, forty-three thousand, forty-three".