100043103542 has 24 divisors (see below), whose sum is σ = 158312264880. Its totient is φ = 47407686480.

The previous prime is 100043103527. The next prime is 100043103547. The reversal of 100043103542 is 245301340001.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100043103547) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 318434 + ... + 549077.

It is an arithmetic number, because the mean of its divisors is an integer number (6596344370).

Almost surely, 2^100043103542 is an apocalyptic number.

100043103542 is a deficient number, since it is larger than the sum of its proper divisors (58269161338).

100043103542 is a wasteful number, since it uses less digits than its factorization.

100043103542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867668 (or 867645 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 100043103542 its reverse (245301340001), we get a palindrome (345344443543).

The spelling of 100043103542 in words is "one hundred billion, forty-three million, one hundred three thousand, five hundred forty-two".