100320111123 has 8 divisors (see below), whose sum is σ = 133762676736. Its totient is φ = 66878809800.

The previous prime is 100320111091. The next prime is 100320111179. The reversal of 100320111123 is 321111023001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100320111123 - 2⁵ = 100320111091 is a prime.

It is a super-2 number, since 2×100320111123² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100320111523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112123 + ... + 461748.

It is an arithmetic number, because the mean of its divisors is an integer number (16720334592).

Almost surely, 2^100320111123 is an apocalyptic number.

100320111123 is a deficient number, since it is larger than the sum of its proper divisors (33442565613).

100320111123 is an equidigital number, since it uses as much as digits as its factorization.

100320111123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632145.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 100320111123 its reverse (321111023001), we get a palindrome (421431134124).

The spelling of 100320111123 in words is "one hundred billion, three hundred twenty million, one hundred eleven thousand, one hundred twenty-three".