423203242 has 32 divisors (see below), whose sum is σ = 794033280. Its totient is φ = 164345280.

The previous prime is 423203233. The next prime is 423203269. The reversal of 423203242 is 242302324.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44484 + ... + 53152.

It is an arithmetic number, because the mean of its divisors is an integer number (24813540).

Almost surely, 2^423203242 is an apocalyptic number.

423203242 is a deficient number, since it is larger than the sum of its proper divisors (370830038).

423203242 is a wasteful number, since it uses less digits than its factorization.

423203242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9006.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 423203242 is about 20571.9041899383. The cubic root of 423203242 is about 750.7862817636.

Adding to 423203242 its reverse (242302324), we get a palindrome (665505566).

The spelling of 423203242 in words is "four hundred twenty-three million, two hundred three thousand, two hundred forty-two".