320023212001 has 4 divisors (see below), whose sum is σ = 321045650692. Its totient is φ = 319000773312.

The previous prime is 320023211951. The next prime is 320023212013. The reversal of 320023212001 is 100212320023.

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

It can be written as a sum of positive squares in 2 ways, for example, as 158579168400 + 161444043601 = 398220^2 + 401801^2 .

It is a cyclic number.

It is not a de Polignac number, because 320023212001 - 2¹³ = 320023203809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320023212071) 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, 511218876 + ... + 511219501.

It is an arithmetic number, because the mean of its divisors is an integer number (80261412673).

Almost surely, 2^320023212001 is an apocalyptic number.

It is an amenable number.

320023212001 is a deficient number, since it is larger than the sum of its proper divisors (1022438691).

320023212001 is a wasteful number, since it uses less digits than its factorization.

320023212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022438690.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 320023212001 its reverse (100212320023), we get a palindrome (420235532024).

The spelling of 320023212001 in words is "three hundred twenty billion, twenty-three million, two hundred twelve thousand, one".