423102403 has 4 divisors (see below), whose sum is σ = 423268168. Its totient is φ = 422936640.

The previous prime is 423102401. The next prime is 423102439. The reversal of 423102403 is 304201324.

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 423102403 - 2¹ = 423102401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423102401) 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 in 3 ways as a sum of consecutive naturals, for example, 78993 + ... + 84178.

It is an arithmetic number, because the mean of its divisors is an integer number (105817042).

Almost surely, 2^423102403 is an apocalyptic number.

423102403 is a deficient number, since it is larger than the sum of its proper divisors (165765).

423102403 is a wasteful number, since it uses less digits than its factorization.

423102403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165764.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 423102403 is about 20569.4531526728. The cubic root of 423102403 is about 750.7266456800.

Adding to 423102403 its reverse (304201324), we get a palindrome (727303727).

The spelling of 423102403 in words is "four hundred twenty-three million, one hundred two thousand, four hundred three".