19217232323 has 2 divisors, whose sum is σ = 19217232324. Its totient is φ = 19217232322.

The previous prime is 19217232257. The next prime is 19217232341. The reversal of 19217232323 is 32323271291.

It is a strong prime.

It is an emirp because it is prime and its reverse (32323271291) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19217232323 - 2²⁶ = 19150123459 is a prime.

It is not a weakly prime, because it can be changed into another prime (19217232523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9608616161 + 9608616162.

It is an arithmetic number, because the mean of its divisors is an integer number (9608616162).

Almost surely, 2^19217232323 is an apocalyptic number.

19217232323 is a deficient number, since it is larger than the sum of its proper divisors (1).

19217232323 is an equidigital number, since it uses as much as digits as its factorization.

19217232323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 35.

The spelling of 19217232323 in words is "nineteen billion, two hundred seventeen million, two hundred thirty-two thousand, three hundred twenty-three".