100234043406 has 80 divisors (see below), whose sum is σ = 262944712800. Its totient is φ = 27939790080.

The previous prime is 100234043389. The next prime is 100234043431. The reversal of 100234043406 is 604340432001.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 100234043406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1031431 + ... + 1124418.

It is an arithmetic number, because the mean of its divisors is an integer number (3286808910).

Almost surely, 2^100234043406 is an apocalyptic number.

100234043406 is an abundant number, since it is smaller than the sum of its proper divisors (162710669394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100234043406 is a wasteful number, since it uses less digits than its factorization.

100234043406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2155911 (or 2155902 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 100234043406 its reverse (604340432001), we get a palindrome (704574475407).

The spelling of 100234043406 in words is "one hundred billion, two hundred thirty-four million, forty-three thousand, four hundred six".