123234643232099 has 48 divisors (see below), whose sum is σ = 155917132554240. Its totient is φ = 95218199714880.

The previous prime is 123234643232059. The next prime is 123234643232117. The reversal of 123234643232099 is 990232346432321.

It is a Cunningham number, because it is equal to 11101110²-1.

It is not a de Polignac number, because 123234643232099 - 2¹⁶ = 123234643166563 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123234643232099.

It is not an unprimeable number, because it can be changed into a prime (123234643232059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5550557 + ... + 16651665.

It is an arithmetic number, because the mean of its divisors is an integer number (3248273594880).

Almost surely, 2^{123234643232099} is an apocalyptic number.

123234643232099 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

123234643232099 is a deficient number, since it is larger than the sum of its proper divisors (32682489322141).

123234643232099 is a wasteful number, since it uses less digits than its factorization.

123234643232099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11101368 (or 11101349 counting only the distinct ones).

The product of its (nonzero) digits is 10077696, while the sum is 53.

The spelling of 123234643232099 in words is "one hundred twenty-three trillion, two hundred thirty-four billion, six hundred forty-three million, two hundred thirty-two thousand, ninety-nine".