42323533 has 4 divisors (see below), whose sum is σ = 48369760. Its totient is φ = 36277308.

The previous prime is 42323503. The next prime is 42323537. The reversal of 42323533 is 33532324.

42323533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42323533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42323498 and 42323507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42323537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3023103 + ... + 3023116.

It is an arithmetic number, because the mean of its divisors is an integer number (12092440).

Almost surely, 2^42323533 is an apocalyptic number.

It is an amenable number.

42323533 is a deficient number, since it is larger than the sum of its proper divisors (6046227).

42323533 is an equidigital number, since it uses as much as digits as its factorization.

42323533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6046226.

The product of its digits is 6480, while the sum is 25.

The square root of 42323533 is about 6505.6539256250. The cubic root of 42323533 is about 348.4929295196.

Adding to 42323533 its reverse (33532324), we get a palindrome (75855857).

The spelling of 42323533 in words is "forty-two million, three hundred twenty-three thousand, five hundred thirty-three".