23123133123 has 8 divisors (see below), whose sum is σ = 30832021248. Its totient is φ = 15414833544.

The previous prime is 23123133109. The next prime is 23123133127. The reversal of 23123133123 is 32133132132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23123133123 - 2¹² = 23123129027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23123133093 and 23123133102.

It is not an unprimeable number, because it can be changed into a prime (23123133127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45415 + ... + 219792.

It is an arithmetic number, because the mean of its divisors is an integer number (3854002656).

Almost surely, 2^23123133123 is an apocalyptic number.

23123133123 is a deficient number, since it is larger than the sum of its proper divisors (7708888125).

23123133123 is a wasteful number, since it uses less digits than its factorization.

23123133123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294273.

The product of its digits is 1944, while the sum is 24.

Adding to 23123133123 its reverse (32133132132), we get a palindrome (55256265255).

Subtracting 23123133123 from its reverse (32133132132), we obtain a palindrome (9009999009).

The spelling of 23123133123 in words is "twenty-three billion, one hundred twenty-three million, one hundred thirty-three thousand, one hundred twenty-three".