100124123223 has 4 divisors (see below), whose sum is σ = 133498830968. Its totient is φ = 66749415480.

The previous prime is 100124123213. The next prime is 100124123251. The reversal of 100124123223 is 322321421001.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 100124123223 - 2⁵ = 100124123191 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 100124123223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100124123213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16687353868 + ... + 16687353873.

It is an arithmetic number, because the mean of its divisors is an integer number (33374707742).

Almost surely, 2^100124123223 is an apocalyptic number.

100124123223 is a deficient number, since it is larger than the sum of its proper divisors (33374707745).

100124123223 is an equidigital number, since it uses as much as digits as its factorization.

100124123223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33374707744.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 100124123223 its reverse (322321421001), we get a palindrome (422445544224).

The spelling of 100124123223 in words is "one hundred billion, one hundred twenty-four million, one hundred twenty-three thousand, two hundred twenty-three".