403243342 has 4 divisors (see below), whose sum is σ = 604865016. Its totient is φ = 201621670.

The previous prime is 403243339. The next prime is 403243343. The reversal of 403243342 is 243342304.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403243343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100810834 + ... + 100810837.

It is an arithmetic number, because the mean of its divisors is an integer number (151216254).

Almost surely, 2^403243342 is an apocalyptic number.

403243342 is a deficient number, since it is larger than the sum of its proper divisors (201621674).

403243342 is a wasteful number, since it uses less digits than its factorization.

403243342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201621673.

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 403243342 is about 20080.9198494491. The cubic root of 403243342 is about 738.7923704539.

Adding to 403243342 its reverse (243342304), we get a palindrome (646585646).

It can be divided in two parts, 4032 and 43342, that added together give a palindrome (47374).

The spelling of 403243342 in words is "four hundred three million, two hundred forty-three thousand, three hundred forty-two".