20231112123 has 32 divisors (see below), whose sum is σ = 31901368320. Its totient is φ = 12627515520.

The previous prime is 20231112107. The next prime is 20231112127. The reversal of 20231112123 is 32121113202.

It is not a de Polignac number, because 20231112123 - 2⁴ = 20231112107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20231112096 and 20231112105.

It is not an unprimeable number, because it can be changed into a prime (20231112127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27715 + ... + 203052.

It is an arithmetic number, because the mean of its divisors is an integer number (996917760).

Almost surely, 2^20231112123 is an apocalyptic number.

20231112123 is a deficient number, since it is larger than the sum of its proper divisors (11670256197).

20231112123 is a wasteful number, since it uses less digits than its factorization.

20231112123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230984 (or 230978 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20231112123 its reverse (32121113202), we get a palindrome (52352225325).

The spelling of 20231112123 in words is "twenty billion, two hundred thirty-one million, one hundred twelve thousand, one hundred twenty-three".