423298081 has 2 divisors, whose sum is σ = 423298082. Its totient is φ = 423298080.

The previous prime is 423298067. The next prime is 423298103. The reversal of 423298081 is 180892324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 381811600 + 41486481 = 19540^2 + 6441^2 .

It is a cyclic number.

It is not a de Polignac number, because 423298081 - 2¹¹ = 423296033 is a prime.

It is a super-2 number, since 2×423298081² = 358362530756565122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 423298081.

It is not a weakly prime, because it can be changed into another prime (423298021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211649040 + 211649041.

It is an arithmetic number, because the mean of its divisors is an integer number (211649041).

Almost surely, 2^423298081 is an apocalyptic number.

It is an amenable number.

423298081 is a deficient number, since it is larger than the sum of its proper divisors (1).

423298081 is an equidigital number, since it uses as much as digits as its factorization.

423298081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 423298081 is about 20574.2091221024. The cubic root of 423298081 is about 750.8423608094.

The spelling of 423298081 in words is "four hundred twenty-three million, two hundred ninety-eight thousand, eighty-one".