320020110023 has 4 divisors (see below), whose sum is σ = 320022459120. Its totient is φ = 320017760928.

The previous prime is 320020110019. The next prime is 320020110043. The reversal of 320020110023 is 320011020023.

It is a happy number.

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 320020110023 - 2² = 320020110019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320020110013) 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, 956738 + ... + 1247151.

It is an arithmetic number, because the mean of its divisors is an integer number (80005614780).

Almost surely, 2^320020110023 is an apocalyptic number.

320020110023 is a deficient number, since it is larger than the sum of its proper divisors (2349097).

320020110023 is a wasteful number, since it uses less digits than its factorization.

320020110023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2349096.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 320020110023 its reverse (320011020023), we get a palindrome (640031130046).

The spelling of 320020110023 in words is "three hundred twenty billion, twenty million, one hundred ten thousand, twenty-three".