42520433323 has 8 divisors (see below), whose sum is σ = 43084990208. Its totient is φ = 41958794664.

The previous prime is 42520433309. The next prime is 42520433359. The reversal of 42520433323 is 32333402524.

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 42520433323 - 2²¹ = 42518336171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42520433363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 700215 + ... + 758512.

It is an arithmetic number, because the mean of its divisors is an integer number (5385623776).

Almost surely, 2^42520433323 is an apocalyptic number.

42520433323 is a deficient number, since it is larger than the sum of its proper divisors (564556885).

42520433323 is a wasteful number, since it uses less digits than its factorization.

42520433323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459113.

The product of its (nonzero) digits is 51840, while the sum is 31.

Adding to 42520433323 its reverse (32333402524), we get a palindrome (74853835847).

The spelling of 42520433323 in words is "forty-two billion, five hundred twenty million, four hundred thirty-three thousand, three hundred twenty-three".