23200111312123 has 4 divisors (see below), whose sum is σ = 23204180798848. Its totient is φ = 23196041825400.

The previous prime is 23200111312051. The next prime is 23200111312127. The reversal of 23200111312123 is 32121311100232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23200111312123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23200111312094 and 23200111312103.

It is not an unprimeable number, because it can be changed into a prime (23200111312127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2034734811 + ... + 2034746212.

It is an arithmetic number, because the mean of its divisors is an integer number (5801045199712).

Almost surely, 2^{23200111312123} is an apocalyptic number.

23200111312123 is a deficient number, since it is larger than the sum of its proper divisors (4069486725).

23200111312123 is an equidigital number, since it uses as much as digits as its factorization.

23200111312123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4069486724.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 23200111312123 its reverse (32121311100232), we get a palindrome (55321422412355).

The spelling of 23200111312123 in words is "twenty-three trillion, two hundred billion, one hundred eleven million, three hundred twelve thousand, one hundred twenty-three".