19000968223 has 2 divisors, whose sum is σ = 19000968224. Its totient is φ = 19000968222.

The previous prime is 19000968211. The next prime is 19000968377. The reversal of 19000968223 is 32286900091.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (32286900091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19000968223 - 2²¹ = 18998871071 is a prime.

It is a super-2 number, since 2×19000968223² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19000968023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9500484111 + 9500484112.

It is an arithmetic number, because the mean of its divisors is an integer number (9500484112).

Almost surely, 2^19000968223 is an apocalyptic number.

19000968223 is a deficient number, since it is larger than the sum of its proper divisors (1).

19000968223 is an equidigital number, since it uses as much as digits as its factorization.

19000968223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 19000968223 in words is "nineteen billion, nine hundred sixty-eight thousand, two hundred twenty-three".