42303503 has 8 divisors (see below), whose sum is σ = 46199376. Its totient is φ = 38416000.

The previous prime is 42303491. The next prime is 42303511. The reversal of 42303503 is 30530324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42303503 - 2¹⁶ = 42237967 is a prime.

It is a super-3 number, since 3×42303503³ (a number of 24 digits) contains 333 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 (42303563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13703 + ... + 16503.

It is an arithmetic number, because the mean of its divisors is an integer number (5774922).

Almost surely, 2^42303503 is an apocalyptic number.

42303503 is a deficient number, since it is larger than the sum of its proper divisors (3895873).

42303503 is a wasteful number, since it uses less digits than its factorization.

42303503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4185.

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 42303503 is about 6504.1143132636. The cubic root of 42303503 is about 348.4379450201.

Adding to 42303503 its reverse (30530324), we get a palindrome (72833827).

The spelling of 42303503 in words is "forty-two million, three hundred three thousand, five hundred three".