423168061 has 2 divisors, whose sum is σ = 423168062. Its totient is φ = 423168060.

The previous prime is 423167977. The next prime is 423168071. The reversal of 423168061 is 160861324.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 414936900 + 8231161 = 20370^2 + 2869^2 .

It is a cyclic number.

It is not a de Polignac number, because 423168061 - 2¹⁹ = 422643773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423168071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211584030 + 211584031.

It is an arithmetic number, because the mean of its divisors is an integer number (211584031).

Almost surely, 2^423168061 is an apocalyptic number.

It is an amenable number.

423168061 is a deficient number, since it is larger than the sum of its proper divisors (1).

423168061 is an equidigital number, since it uses as much as digits as its factorization.

423168061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 423168061 is about 20571.0490981865. The cubic root of 423168061 is about 750.7654768315.

The spelling of 423168061 in words is "four hundred twenty-three million, one hundred sixty-eight thousand, sixty-one".