10100043 has 6 divisors (see below), whose sum is σ = 14588964. Its totient is φ = 6733356.

The previous prime is 10100011. The next prime is 10100047. The reversal of 10100043 is 34000101.

10100043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10100043 - 2⁵ = 10100011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 1122227 = 10100043 / (1 + 0 + 1 + 0 + 0 + 0 + 4 + 3).

It is a junction number, because it is equal to n+sod(n) for n = 10099998 and 10100034.

It is not an unprimeable number, because it can be changed into a prime (10100047) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 561105 + ... + 561122.

It is an arithmetic number, because the mean of its divisors is an integer number (2431494).

Almost surely, 2^10100043 is an apocalyptic number.

10100043 is a deficient number, since it is larger than the sum of its proper divisors (4488921).

10100043 is a wasteful number, since it uses less digits than its factorization.

10100043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122233 (or 1122230 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 10100043 is about 3178.0564815623. The cubic root of 10100043 is about 216.1595400547.

Adding to 10100043 its reverse (34000101), we get a palindrome (44100144).

The spelling of 10100043 in words is "ten million, one hundred thousand, forty-three".