423466999 has 4 divisors (see below), whose sum is σ = 423923760. Its totient is φ = 423010240.

The previous prime is 423466997. The next prime is 423467021. The reversal of 423466999 is 999664324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 423466999 - 2¹ = 423466997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423466993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226987 + ... + 228844.

It is an arithmetic number, because the mean of its divisors is an integer number (105980940).

Almost surely, 2^423466999 is an apocalyptic number.

423466999 is a deficient number, since it is larger than the sum of its proper divisors (456761).

423466999 is an equidigital number, since it uses as much as digits as its factorization.

423466999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456760.

The product of its digits is 2519424, while the sum is 52.

The square root of 423466999 is about 20578.3138036137. The cubic root of 423466999 is about 750.9422226079.

The spelling of 423466999 in words is "four hundred twenty-three million, four hundred sixty-six thousand, nine hundred ninety-nine".