423466997 has 2 divisors, whose sum is σ = 423466998. Its totient is φ = 423466996.

The previous prime is 423466993. The next prime is 423467021. The reversal of 423466997 is 799664324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 364084561 + 59382436 = 19081^2 + 7706^2 .

It is a cyclic number.

It is not a de Polignac number, because 423466997 - 2² = 423466993 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423466993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211733498 + 211733499.

It is an arithmetic number, because the mean of its divisors is an integer number (211733499).

Almost surely, 2^423466997 is an apocalyptic number.

It is an amenable number.

423466997 is a deficient number, since it is larger than the sum of its proper divisors (1).

423466997 is an equidigital number, since it uses as much as digits as its factorization.

423466997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1959552, while the sum is 50.

The square root of 423466997 is about 20578.3137550189. The cubic root of 423466997 is about 750.9422214256.

The spelling of 423466997 in words is "four hundred twenty-three million, four hundred sixty-six thousand, nine hundred ninety-seven".