100323310123 has 32 divisors (see below), whose sum is σ = 112270536000. Its totient is φ = 89238804480.

The previous prime is 100323310117. The next prime is 100323310147. The reversal of 100323310123 is 321013323001.

It is a cyclic number.

It is not a de Polignac number, because 100323310123 - 2¹³ = 100323301931 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

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 100323310123.

It is not an unprimeable number, because it can be changed into a prime (100323310183) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7154343 + ... + 7168351.

It is an arithmetic number, because the mean of its divisors is an integer number (3508454250).

Almost surely, 2^100323310123 is an apocalyptic number.

100323310123 is a deficient number, since it is larger than the sum of its proper divisors (11947225877).

100323310123 is a wasteful number, since it uses less digits than its factorization.

100323310123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14415.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 100323310123 its reverse (321013323001), we get a palindrome (421336633124).

The spelling of 100323310123 in words is "one hundred billion, three hundred twenty-three million, three hundred ten thousand, one hundred twenty-three".