22312123 has 2 divisors, whose sum is σ = 22312124. Its totient is φ = 22312122.

The previous prime is 22312097. The next prime is 22312127. The reversal of 22312123 is 32121322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22312123 - 2⁵ = 22312091 is a prime.

It is a super-3 number, since 3×22312123³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22312097 and 22312106.

It is not a weakly prime, because it can be changed into another prime (22312127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11156061 + 11156062.

It is an arithmetic number, because the mean of its divisors is an integer number (11156062).

Almost surely, 2^22312123 is an apocalyptic number.

22312123 is a deficient number, since it is larger than the sum of its proper divisors (1).

22312123 is an equidigital number, since it uses as much as digits as its factorization.

22312123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144, while the sum is 16.

The square root of 22312123 is about 4723.5710008425. The cubic root of 22312123 is about 281.5228379201.

Adding to 22312123 its reverse (32121322), we get a palindrome (54433445).

The spelling of 22312123 in words is "twenty-two million, three hundred twelve thousand, one hundred twenty-three".