8198423423 has 2 divisors, whose sum is σ = 8198423424. Its totient is φ = 8198423422.

The previous prime is 8198423399. The next prime is 8198423437. The reversal of 8198423423 is 3243248918.

8198423423 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8198423423 - 2¹⁶ = 8198357887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8198423923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4099211711 + 4099211712.

It is an arithmetic number, because the mean of its divisors is an integer number (4099211712).

Almost surely, 2^8198423423 is an apocalyptic number.

8198423423 is a deficient number, since it is larger than the sum of its proper divisors (1).

8198423423 is an equidigital number, since it uses as much as digits as its factorization.

8198423423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 331776, while the sum is 44.

The square root of 8198423423 is about 90545.1457727028. The cubic root of 8198423423 is about 2016.4004305808.

The spelling of 8198423423 in words is "eight billion, one hundred ninety-eight million, four hundred twenty-three thousand, four hundred twenty-three".