320215586923 has 2 divisors, whose sum is σ = 320215586924. Its totient is φ = 320215586922.

The previous prime is 320215586807. The next prime is 320215586963. The reversal of 320215586923 is 329685512023.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320215586923 is a prime.

It is not a weakly prime, because it can be changed into another prime (320215586963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160107793461 + 160107793462.

It is an arithmetic number, because the mean of its divisors is an integer number (160107793462).

Almost surely, 2^320215586923 is an apocalyptic number.

320215586923 is a deficient number, since it is larger than the sum of its proper divisors (1).

320215586923 is an equidigital number, since it uses as much as digits as its factorization.

320215586923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 320215586923 in words is "three hundred twenty billion, two hundred fifteen million, five hundred eighty-six thousand, nine hundred twenty-three".