42433403 has 4 divisors (see below), whose sum is σ = 44666760. Its totient is φ = 40200048.

The previous prime is 42433397. The next prime is 42433429. The reversal of 42433403 is 30433424.

It is a happy number.

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

It is not a de Polignac number, because 42433403 - 2¹⁶ = 42367867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42433453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1116650 + ... + 1116687.

It is an arithmetic number, because the mean of its divisors is an integer number (11166690).

Almost surely, 2^42433403 is an apocalyptic number.

42433403 is a deficient number, since it is larger than the sum of its proper divisors (2233357).

42433403 is a wasteful number, since it uses less digits than its factorization.

42433403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233356.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 42433403 is about 6514.0926459485. The cubic root of 42433403 is about 348.7942263085.

Adding to 42433403 its reverse (30433424), we get a palindrome (72866827).

The spelling of 42433403 in words is "forty-two million, four hundred thirty-three thousand, four hundred three".