42783303 has 4 divisors (see below), whose sum is σ = 57044408. Its totient is φ = 28522200.

The previous prime is 42783287. The next prime is 42783311. The reversal of 42783303 is 30338724.

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

It is not a de Polignac number, because 42783303 - 2⁴ = 42783287 is a prime.

It is a super-2 number, since 2×42783303² = 3660822031179618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42783313) 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, 7130548 + ... + 7130553.

It is an arithmetic number, because the mean of its divisors is an integer number (14261102).

Almost surely, 2^42783303 is an apocalyptic number.

42783303 is a deficient number, since it is larger than the sum of its proper divisors (14261105).

42783303 is a wasteful number, since it uses less digits than its factorization.

42783303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14261104.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 42783303 is about 6540.8946635762. The cubic root of 42783303 is about 349.7503062619.

The spelling of 42783303 in words is "forty-two million, seven hundred eighty-three thousand, three hundred three".