42320213023 has 4 divisors (see below), whose sum is σ = 46167505128. Its totient is φ = 38472920920.

The previous prime is 42320212931. The next prime is 42320213041. The reversal of 42320213023 is 32031202324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42320213023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42320212985 and 42320213003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42320213123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1923646036 + ... + 1923646057.

It is an arithmetic number, because the mean of its divisors is an integer number (11541876282).

Almost surely, 2^42320213023 is an apocalyptic number.

42320213023 is a deficient number, since it is larger than the sum of its proper divisors (3847292105).

42320213023 is a wasteful number, since it uses less digits than its factorization.

42320213023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3847292104.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 42320213023 its reverse (32031202324), we get a palindrome (74351415347).

The spelling of 42320213023 in words is "forty-two billion, three hundred twenty million, two hundred thirteen thousand, twenty-three".