851332215323 has 16 divisors (see below), whose sum is σ = 884387877120. Its totient is φ = 818525673504.

The previous prime is 851332215313. The next prime is 851332215329. The reversal of 851332215323 is 323512233158.

It is a cyclic number.

It is not a de Polignac number, because 851332215323 - 2⁶ = 851332215259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (851332215329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20442440 + ... + 20484042.

It is an arithmetic number, because the mean of its divisors is an integer number (55274242320).

Almost surely, 2^851332215323 is an apocalyptic number.

851332215323 is a deficient number, since it is larger than the sum of its proper divisors (33055661797).

851332215323 is a wasteful number, since it uses less digits than its factorization.

851332215323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44578.

The product of its digits is 129600, while the sum is 38.

The spelling of 851332215323 in words is "eight hundred fifty-one billion, three hundred thirty-two million, two hundred fifteen thousand, three hundred twenty-three".