423103999 has 2 divisors, whose sum is σ = 423104000. Its totient is φ = 423103998.

The previous prime is 423103957. The next prime is 423104063. The reversal of 423103999 is 999301324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423103999 - 2¹³ = 423095807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423103909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211551999 + 211552000.

It is an arithmetic number, because the mean of its divisors is an integer number (211552000).

Almost surely, 2^423103999 is an apocalyptic number.

423103999 is a deficient number, since it is larger than the sum of its proper divisors (1).

423103999 is an equidigital number, since it uses as much as digits as its factorization.

423103999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 423103999 is about 20569.4919480283. The cubic root of 423103999 is about 750.7275896266.

The spelling of 423103999 in words is "four hundred twenty-three million, one hundred three thousand, nine hundred ninety-nine".