423166166147 has 2 divisors, whose sum is σ = 423166166148. Its totient is φ = 423166166146.

The previous prime is 423166166131. The next prime is 423166166153. The reversal of 423166166147 is 741661661324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423166166147 - 2⁴ = 423166166131 is a prime.

It is not a weakly prime, because it can be changed into another prime (423166166167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211583083073 + 211583083074.

It is an arithmetic number, because the mean of its divisors is an integer number (211583083074).

Almost surely, 2^423166166147 is an apocalyptic number.

423166166147 is a deficient number, since it is larger than the sum of its proper divisors (1).

423166166147 is an equidigital number, since it uses as much as digits as its factorization.

423166166147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 47.

The spelling of 423166166147 in words is "four hundred twenty-three billion, one hundred sixty-six million, one hundred sixty-six thousand, one hundred forty-seven".