22301312123 has 4 divisors (see below), whose sum is σ = 22303639248. Its totient is φ = 22298985000.

The previous prime is 22301312101. The next prime is 22301312161. The reversal of 22301312123 is 32121310322.

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 22301312123 - 2¹⁰ = 22301311099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22301312095 and 22301312104.

It is not an unprimeable number, because it can be changed into a prime (22301312023) 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, 1149128 + ... + 1168373.

It is an arithmetic number, because the mean of its divisors is an integer number (5575909812).

Almost surely, 2^22301312123 is an apocalyptic number.

22301312123 is a deficient number, since it is larger than the sum of its proper divisors (2327125).

22301312123 is an equidigital number, since it uses as much as digits as its factorization.

22301312123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2327124.

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

Adding to 22301312123 its reverse (32121310322), we get a palindrome (54422622445).

The spelling of 22301312123 in words is "twenty-two billion, three hundred one million, three hundred twelve thousand, one hundred twenty-three".