100043657043 has 24 divisors (see below), whose sum is σ = 147990798144. Its totient is φ = 60065837040.

The previous prime is 100043657041. The next prime is 100043657053. The reversal of 100043657043 is 340756340001.

It is not a de Polignac number, because 100043657043 - 2¹ = 100043657041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 100043656995 and 100043657013.

It is not an unprimeable number, because it can be changed into a prime (100043657041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1249021 + ... + 1326702.

It is an arithmetic number, because the mean of its divisors is an integer number (6166283256).

Almost surely, 2^100043657043 is an apocalyptic number.

100043657043 is a deficient number, since it is larger than the sum of its proper divisors (47947141101).

100043657043 is a wasteful number, since it uses less digits than its factorization.

100043657043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2575855 (or 2575844 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

Adding to 100043657043 its reverse (340756340001), we get a palindrome (440799997044).

The spelling of 100043657043 in words is "one hundred billion, forty-three million, six hundred fifty-seven thousand, forty-three".