42303447 has 6 divisors (see below), whose sum is σ = 61104992. Its totient is φ = 28202292.

The previous prime is 42303421. The next prime is 42303449. The reversal of 42303447 is 74430324.

It is not a de Polignac number, because 42303447 - 2⁶ = 42303383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42303447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42303449) 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 5 ways as a sum of consecutive naturals, for example, 2350183 + ... + 2350200.

Almost surely, 2^42303447 is an apocalyptic number.

42303447 is a deficient number, since it is larger than the sum of its proper divisors (18801545).

42303447 is a wasteful number, since it uses less digits than its factorization.

42303447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4700389 (or 4700386 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The square root of 42303447 is about 6504.1100082948. The cubic root of 42303447 is about 348.4377912698.

The spelling of 42303447 in words is "forty-two million, three hundred three thousand, four hundred forty-seven".