22123000019 has 2 divisors, whose sum is σ = 22123000020. Its totient is φ = 22123000018.

The previous prime is 22122999973. The next prime is 22123000057. The reversal of 22123000019 is 91000032122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22123000019 is a prime.

It is a super-2 number, since 2×22123000019² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22123000069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061500009 + 11061500010.

It is an arithmetic number, because the mean of its divisors is an integer number (11061500010).

Almost surely, 2^22123000019 is an apocalyptic number.

22123000019 is a deficient number, since it is larger than the sum of its proper divisors (1).

22123000019 is an equidigital number, since it uses as much as digits as its factorization.

22123000019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The spelling of 22123000019 in words is "twenty-two billion, one hundred twenty-three million, nineteen", and thus it is an aban number.