320023005023 has 4 divisors (see below), whose sum is σ = 321647487480. Its totient is φ = 318398522568.

The previous prime is 320023005019. The next prime is 320023005037. The reversal of 320023005023 is 320500320023.

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

It is a cyclic number.

It is not a de Polignac number, because 320023005023 - 2² = 320023005019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320023004986 and 320023005004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320023005623) 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, 812240933 + ... + 812241326.

It is an arithmetic number, because the mean of its divisors is an integer number (80411871870).

Almost surely, 2^320023005023 is an apocalyptic number.

320023005023 is a deficient number, since it is larger than the sum of its proper divisors (1624482457).

320023005023 is a wasteful number, since it uses less digits than its factorization.

320023005023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624482456.

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

Adding to 320023005023 its reverse (320500320023), we get a palindrome (640523325046).

The spelling of 320023005023 in words is "three hundred twenty billion, twenty-three million, five thousand, twenty-three".