22145654123 has 2 divisors, whose sum is σ = 22145654124. Its totient is φ = 22145654122.

The previous prime is 22145654093. The next prime is 22145654137. The reversal of 22145654123 is 32145654122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22145654123 - 2⁸ = 22145653867 is a prime.

It is not a weakly prime, because it can be changed into another prime (22145654173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11072827061 + 11072827062.

It is an arithmetic number, because the mean of its divisors is an integer number (11072827062).

Almost surely, 2^22145654123 is an apocalyptic number.

22145654123 is a deficient number, since it is larger than the sum of its proper divisors (1).

22145654123 is an equidigital number, since it uses as much as digits as its factorization.

22145654123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 35.

Subtracting 22145654123 from its reverse (32145654122), we obtain a palindrome (9999999999).

The spelling of 22145654123 in words is "twenty-two billion, one hundred forty-five million, six hundred fifty-four thousand, one hundred twenty-three".