22123030253 has 2 divisors, whose sum is σ = 22123030254. Its totient is φ = 22123030252.

The previous prime is 22123030211. The next prime is 22123030261. The reversal of 22123030253 is 35203032122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14802858889 + 7320171364 = 121667^2 + 85558^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22123030253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22123030283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061515126 + 11061515127.

It is an arithmetic number, because the mean of its divisors is an integer number (11061515127).

Almost surely, 2^22123030253 is an apocalyptic number.

It is an amenable number.

22123030253 is a deficient number, since it is larger than the sum of its proper divisors (1).

22123030253 is an equidigital number, since it uses as much as digits as its factorization.

22123030253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 23.

Adding to 22123030253 its reverse (35203032122), we get a palindrome (57326062375).

The spelling of 22123030253 in words is "twenty-two billion, one hundred twenty-three million, thirty thousand, two hundred fifty-three".