100123220120423 has 4 divisors (see below), whose sum is σ = 100123339110600. Its totient is φ = 100123101130248.

The previous prime is 100123220120419. The next prime is 100123220120453. The reversal of 100123220120423 is 324021022321001.

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

It is a cyclic number.

It is not a de Polignac number, because 100123220120423 - 2² = 100123220120419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100123220120453) 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, 58223873 + ... + 59918826.

It is an arithmetic number, because the mean of its divisors is an integer number (25030834777650).

Almost surely, 2^{100123220120423} is an apocalyptic number.

100123220120423 is a deficient number, since it is larger than the sum of its proper divisors (118990177).

100123220120423 is an equidigital number, since it uses as much as digits as its factorization.

100123220120423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118990176.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 100123220120423 its reverse (324021022321001), we get a palindrome (424144242441424).

The spelling of 100123220120423 in words is "one hundred trillion, one hundred twenty-three billion, two hundred twenty million, one hundred twenty thousand, four hundred twenty-three".