42112303 has 4 divisors (see below), whose sum is σ = 44328760. Its totient is φ = 39895848.

The previous prime is 42112297. The next prime is 42112331. The reversal of 42112303 is 30321124.

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 42112303 - 2⁹ = 42111791 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 (42112363) 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, 1108200 + ... + 1108237.

It is an arithmetic number, because the mean of its divisors is an integer number (11082190).

Almost surely, 2^42112303 is an apocalyptic number.

42112303 is a deficient number, since it is larger than the sum of its proper divisors (2216457).

42112303 is a wasteful number, since it uses less digits than its factorization.

42112303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2216456.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 42112303 is about 6489.3992788239. The cubic root of 42112303 is about 347.9122048089.

Adding to 42112303 its reverse (30321124), we get a palindrome (72433427).

The spelling of 42112303 in words is "forty-two million, one hundred twelve thousand, three hundred three".