320213312023 has 4 divisors (see below), whose sum is σ = 349323613128. Its totient is φ = 291103010920.

The previous prime is 320213312011. The next prime is 320213312093.

320213312023 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 320213312023 - 2⁵ = 320213311991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320213311985 and 320213312003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320213312093) 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, 14555150536 + ... + 14555150557.

It is an arithmetic number, because the mean of its divisors is an integer number (87330903282).

Almost surely, 2^320213312023 is an apocalyptic number.

320213312023 is a deficient number, since it is larger than the sum of its proper divisors (29110301105).

320213312023 is a wasteful number, since it uses less digits than its factorization.

320213312023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29110301104.

The product of its (nonzero) digits is 1296, while the sum is 22.

It can be divided in two parts, 320213 and 312023, that added together give a palindrome (632236).

The spelling of 320213312023 in words is "three hundred twenty billion, two hundred thirteen million, three hundred twelve thousand, twenty-three".