12023022123 has 24 divisors (see below), whose sum is σ = 20044049376. Its totient is φ = 6802272000.

The previous prime is 12023022073. The next prime is 12023022131. The reversal of 12023022123 is 32122032021.

It is not a de Polignac number, because 12023022123 - 2⁹ = 12023021611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12023022096 and 12023022105.

It is not an unprimeable number, because it can be changed into a prime (12023022173) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 938398 + ... + 951123.

It is an arithmetic number, because the mean of its divisors is an integer number (835168724).

Almost surely, 2^12023022123 is an apocalyptic number.

12023022123 is a deficient number, since it is larger than the sum of its proper divisors (8021027253).

12023022123 is a wasteful number, since it uses less digits than its factorization.

12023022123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889635 (or 1889632 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12023022123 its reverse (32122032021), we get a palindrome (44145054144).

The spelling of 12023022123 in words is "twelve billion, twenty-three million, twenty-two thousand, one hundred twenty-three".