22113313123 has 4 divisors (see below), whose sum is σ = 24123614328. Its totient is φ = 20103011920.

The previous prime is 22113313109. The next prime is 22113313129. The reversal of 22113313123 is 32131331122.

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

It is a cyclic number.

It is not a de Polignac number, because 22113313123 - 2²⁵ = 22079758691 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 22113313094 and 22113313103.

It is not an unprimeable number, because it can be changed into a prime (22113313129) 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, 1005150586 + ... + 1005150607.

It is an arithmetic number, because the mean of its divisors is an integer number (6030903582).

Almost surely, 2^22113313123 is an apocalyptic number.

22113313123 is a deficient number, since it is larger than the sum of its proper divisors (2010301205).

22113313123 is a wasteful number, since it uses less digits than its factorization.

22113313123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010301204.

The product of its digits is 648, while the sum is 22.

Adding to 22113313123 its reverse (32131331122), we get a palindrome (54244644245).

It can be divided in two parts, 221133 and 13123, that added together give a 4-th power (234256 = 22⁴).

The spelling of 22113313123 in words is "twenty-two billion, one hundred thirteen million, three hundred thirteen thousand, one hundred twenty-three".