123112300223 has 4 divisors (see below), whose sum is σ = 134304327528. Its totient is φ = 111920272920.

The previous prime is 123112300183. The next prime is 123112300229. The reversal of 123112300223 is 322003211321.

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 123112300223 - 2²⁰ = 123111251647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123112300195 and 123112300204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123112300229) 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, 5596013636 + ... + 5596013657.

It is an arithmetic number, because the mean of its divisors is an integer number (33576081882).

Almost surely, 2^123112300223 is an apocalyptic number.

123112300223 is a deficient number, since it is larger than the sum of its proper divisors (11192027305).

123112300223 is a wasteful number, since it uses less digits than its factorization.

123112300223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11192027304.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 123112300223 its reverse (322003211321), we get a palindrome (445115511544).

The spelling of 123112300223 in words is "one hundred twenty-three billion, one hundred twelve million, three hundred thousand, two hundred twenty-three".