320186681023 has 4 divisors (see below), whose sum is σ = 349294561128. Its totient is φ = 291078800920.

The previous prime is 320186681021. The next prime is 320186681053.

320186681023 is nontrivially palindromic in base 10.

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 320186681023 - 2¹ = 320186681021 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 (320186681021) 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, 14553940036 + ... + 14553940057.

It is an arithmetic number, because the mean of its divisors is an integer number (87323640282).

Almost surely, 2^320186681023 is an apocalyptic number.

320186681023 is a deficient number, since it is larger than the sum of its proper divisors (29107880105).

320186681023 is a wasteful number, since it uses less digits than its factorization.

320186681023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29107880104.

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 320186681023 in words is "three hundred twenty billion, one hundred eighty-six million, six hundred eighty-one thousand, twenty-three".