22123402123 has 8 divisors (see below), whose sum is σ = 23158711296. Its totient is φ = 21108196200.

The previous prime is 22123402097. The next prime is 22123402151. The reversal of 22123402123 is 32120432122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22123402123 - 2²⁵ = 22089847691 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22123402094 and 22123402103.

It is not an unprimeable number, because it can be changed into a prime (22123403123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5023561 + ... + 5027962.

It is an arithmetic number, because the mean of its divisors is an integer number (2894838912).

Almost surely, 2^22123402123 is an apocalyptic number.

22123402123 is a deficient number, since it is larger than the sum of its proper divisors (1035309173).

22123402123 is a wasteful number, since it uses less digits than its factorization.

22123402123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10051625.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 22123402123 its reverse (32120432122), we get a palindrome (54243834245).

The spelling of 22123402123 in words is "twenty-two billion, one hundred twenty-three million, four hundred two thousand, one hundred twenty-three".