22042345123 has 2 divisors, whose sum is σ = 22042345124. Its totient is φ = 22042345122.

The previous prime is 22042345103. The next prime is 22042345139. The reversal of 22042345123 is 32154324022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22042345123 - 2¹³ = 22042336931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22042345091 and 22042345100.

It is not a weakly prime, because it can be changed into another prime (22042345103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11021172561 + 11021172562.

It is an arithmetic number, because the mean of its divisors is an integer number (11021172562).

Almost surely, 2^22042345123 is an apocalyptic number.

22042345123 is a deficient number, since it is larger than the sum of its proper divisors (1).

22042345123 is an equidigital number, since it uses as much as digits as its factorization.

22042345123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 22042345123 its reverse (32154324022), we get a palindrome (54196669145).

The spelling of 22042345123 in words is "twenty-two billion, forty-two million, three hundred forty-five thousand, one hundred twenty-three".