23111223112123 has 32 divisors (see below), whose sum is σ = 23969541960000. Its totient is φ = 22266527809536.

The previous prime is 23111223112121. The next prime is 23111223112127. The reversal of 23111223112123 is 32121132211132.

It is a cyclic number.

It is not a de Polignac number, because 23111223112123 - 2¹ = 23111223112121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23111223112121) 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, 1386138315 + ... + 1386154987.

It is an arithmetic number, because the mean of its divisors is an integer number (749048186250).

Almost surely, 2^{23111223112123} is an apocalyptic number.

23111223112123 is a deficient number, since it is larger than the sum of its proper divisors (858318847877).

23111223112123 is a wasteful number, since it uses less digits than its factorization.

23111223112123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17791.

The product of its digits is 864, while the sum is 25.

Adding to 23111223112123 its reverse (32121132211132), we get a palindrome (55232355323255).

Subtracting 23111223112123 from its reverse (32121132211132), we obtain a palindrome (9009909099009).

It can be divided in two parts, 2311122 and 3112123, that added together give a palindrome (5423245).

The spelling of 23111223112123 in words is "twenty-three trillion, one hundred eleven billion, two hundred twenty-three million, one hundred twelve thousand, one hundred twenty-three".