23122112113 has 4 divisors (see below), whose sum is σ = 23747034100. Its totient is φ = 22497190128.

The previous prime is 23122112107. The next prime is 23122112161. The reversal of 23122112113 is 31121122132.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17591512689 + 5530599424 = 132633^2 + 74368^2 .

It is a cyclic number.

It is not a de Polignac number, because 23122112113 - 2⁹ = 23122111601 is a prime.

It is a super-3 number, since 3×23122112113³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23122112183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312460938 + ... + 312461011.

It is an arithmetic number, because the mean of its divisors is an integer number (5936758525).

Almost surely, 2^23122112113 is an apocalyptic number.

It is an amenable number.

23122112113 is a deficient number, since it is larger than the sum of its proper divisors (624921987).

23122112113 is an equidigital number, since it uses as much as digits as its factorization.

23122112113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624921986.

The product of its digits is 144, while the sum is 19.

Adding to 23122112113 its reverse (31121122132), we get a palindrome (54243234245).

The spelling of 23122112113 in words is "twenty-three billion, one hundred twenty-two million, one hundred twelve thousand, one hundred thirteen".