42503323 has 8 divisors (see below), whose sum is σ = 44840000. Its totient is φ = 40176648.

The previous prime is 42503317. The next prime is 42503339. The reversal of 42503323 is 32330524.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42503323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42503294 and 42503303.

It is not an unprimeable number, because it can be changed into a prime (42503353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7240 + ... + 11722.

It is an arithmetic number, because the mean of its divisors is an integer number (5605000).

Almost surely, 2^42503323 is an apocalyptic number.

42503323 is a deficient number, since it is larger than the sum of its proper divisors (2336677).

42503323 is a wasteful number, since it uses less digits than its factorization.

42503323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5001.

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 42503323 is about 6519.4572626868. The cubic root of 42503323 is about 348.9856973966.

Adding to 42503323 its reverse (32330524), we get a palindrome (74833847).

The spelling of 42503323 in words is "forty-two million, five hundred three thousand, three hundred twenty-three".