22321321123 has 4 divisors (see below), whose sum is σ = 22322566368. Its totient is φ = 22320075880.

The previous prime is 22321321103. The next prime is 22321321133. The reversal of 22321321123 is 32112312322.

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 22321321123 - 2²⁹ = 21784450211 is a prime.

It is a super-3 number, since 3×22321321123³ (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 a junction number, because it is equal to n+sod(n) for n = 22321321094 and 22321321103.

It is not an unprimeable number, because it can be changed into a prime (22321321103) 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, 595336 + ... + 631717.

It is an arithmetic number, because the mean of its divisors is an integer number (5580641592).

Almost surely, 2^22321321123 is an apocalyptic number.

22321321123 is a deficient number, since it is larger than the sum of its proper divisors (1245245).

22321321123 is a wasteful number, since it uses less digits than its factorization.

22321321123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245244.

The product of its digits is 864, while the sum is 22.

Adding to 22321321123 its reverse (32112312322), we get a palindrome (54433633445).

The spelling of 22321321123 in words is "twenty-two billion, three hundred twenty-one million, three hundred twenty-one thousand, one hundred twenty-three".