320023320023 has 32 divisors (see below), whose sum is σ = 360692628480. Its totient is φ = 281437200000.

The previous prime is 320023320011. The next prime is 320023320047.

320023320023 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 320023320023 - 2⁴ = 320023320007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320023319977 and 320023320004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320023320073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32317373 + ... + 32327273.

It is an arithmetic number, because the mean of its divisors is an integer number (11271644640).

Almost surely, 2^320023320023 is an apocalyptic number.

320023320023 is a deficient number, since it is larger than the sum of its proper divisors (40669308457).

320023320023 is a wasteful number, since it uses less digits than its factorization.

320023320023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10679.

The product of its (nonzero) digits is 1296, while the sum is 20.

It can be divided in two parts, 320023 and 320023, that added together give a palindrome (640046).

The spelling of 320023320023 in words is "three hundred twenty billion, twenty-three million, three hundred twenty thousand, twenty-three".