423026503 has 4 divisors (see below), whose sum is σ = 425363848. Its totient is φ = 420689160.

The previous prime is 423026501. The next prime is 423026537. The reversal of 423026503 is 305620324.

It is a happy number.

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 423026503 - 2¹ = 423026501 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 (423026501) 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, 1168401 + ... + 1168762.

It is an arithmetic number, because the mean of its divisors is an integer number (106340962).

Almost surely, 2^423026503 is an apocalyptic number.

423026503 is a deficient number, since it is larger than the sum of its proper divisors (2337345).

423026503 is a wasteful number, since it uses less digits than its factorization.

423026503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2337344.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 423026503 is about 20567.6081010894. The cubic root of 423026503 is about 750.6817522455.

Adding to 423026503 its reverse (305620324), we get a palindrome (728646827).

The spelling of 423026503 in words is "four hundred twenty-three million, twenty-six thousand, five hundred three".