23111103123 has 24 divisors (see below), whose sum is σ = 33948926336. Its totient is φ = 15146352000.

The previous prime is 23111103109. The next prime is 23111103149. The reversal of 23111103123 is 32130111132.

It is not a de Polignac number, because 23111103123 - 2²¹ = 23109005971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23111103096 and 23111103105.

It is not an unprimeable number, because it can be changed into a prime (23111102123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1060311 + ... + 1081887.

Almost surely, 2^23111103123 is an apocalyptic number.

23111103123 is a deficient number, since it is larger than the sum of its proper divisors (10837823213).

23111103123 is a wasteful number, since it uses less digits than its factorization.

23111103123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23595 (or 23592 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 23111103123 its reverse (32130111132), we get a palindrome (55241214255).

The spelling of 23111103123 in words is "twenty-three billion, one hundred eleven million, one hundred three thousand, one hundred twenty-three".