320610041623 has 4 divisors (see below), whose sum is σ = 337484254360. Its totient is φ = 303735828888.

The previous prime is 320610041569. The next prime is 320610041669. The reversal of 320610041623 is 326140016023.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320610041623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320610041591 and 320610041600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320610041123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8437106340 + ... + 8437106377.

It is an arithmetic number, because the mean of its divisors is an integer number (84371063590).

Almost surely, 2^320610041623 is an apocalyptic number.

320610041623 is a deficient number, since it is larger than the sum of its proper divisors (16874212737).

320610041623 is a wasteful number, since it uses less digits than its factorization.

320610041623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16874212736.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 320610041623 its reverse (326140016023), we get a palindrome (646750057646).

The spelling of 320610041623 in words is "three hundred twenty billion, six hundred ten million, forty-one thousand, six hundred twenty-three".