22303112123 has 4 divisors (see below), whose sum is σ = 22445170320. Its totient is φ = 22161053928.

The previous prime is 22303112119. The next prime is 22303112137. The reversal of 22303112123 is 32121130322.

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 22303112123 - 2² = 22303112119 is a prime.

It is a super-2 number, since 2×22303112123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22303112095 and 22303112104.

It is not an unprimeable number, because it can be changed into a prime (22303112113) 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, 71028863 + ... + 71029176.

It is an arithmetic number, because the mean of its divisors is an integer number (5611292580).

Almost surely, 2^22303112123 is an apocalyptic number.

22303112123 is a deficient number, since it is larger than the sum of its proper divisors (142058197).

22303112123 is a wasteful number, since it uses less digits than its factorization.

22303112123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142058196.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22303112123 its reverse (32121130322), we get a palindrome (54424242445).

The spelling of 22303112123 in words is "twenty-two billion, three hundred three million, one hundred twelve thousand, one hundred twenty-three".