320210623013 has 4 divisors (see below), whose sum is σ = 327023615040. Its totient is φ = 313397630988.

The previous prime is 320210622997. The next prime is 320210623027. The reversal of 320210623013 is 310326012023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310326012023 = 4663 ⋅66550721.

It is a cyclic number.

It is not a de Polignac number, because 320210623013 - 2⁴ = 320210622997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320210623013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320210623093) 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, 3406495943 + ... + 3406496036.

It is an arithmetic number, because the mean of its divisors is an integer number (81755903760).

Almost surely, 2^320210623013 is an apocalyptic number.

It is an amenable number.

320210623013 is a deficient number, since it is larger than the sum of its proper divisors (6812992027).

320210623013 is an equidigital number, since it uses as much as digits as its factorization.

320210623013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6812992026.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 320210623013 its reverse (310326012023), we get a palindrome (630536635036).

The spelling of 320210623013 in words is "three hundred twenty billion, two hundred ten million, six hundred twenty-three thousand, thirteen".