1423250166199 has 2 divisors, whose sum is σ = 1423250166200. Its totient is φ = 1423250166198.

The previous prime is 1423250166193. The next prime is 1423250166203. The reversal of 1423250166199 is 9916610523241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1423250166199 is a prime.

It is a super-2 number, since 2×1423250166199² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1423250166193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711625083099 + 711625083100.

It is an arithmetic number, because the mean of its divisors is an integer number (711625083100).

Almost surely, 2^{1423250166199} is an apocalyptic number.

1423250166199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423250166199 is an equidigital number, since it uses as much as digits as its factorization.

1423250166199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 699840, while the sum is 49.

The spelling of 1423250166199 in words is "one trillion, four hundred twenty-three billion, two hundred fifty million, one hundred sixty-six thousand, one hundred ninety-nine".