323072813387 has 4 divisors (see below), whose sum is σ = 324125168136. Its totient is φ = 322020458640.

The previous prime is 323072813381. The next prime is 323072813407. The reversal of 323072813387 is 783318270323.

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-323072813387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323072813381) 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, 526176914 + ... + 526177527.

It is an arithmetic number, because the mean of its divisors is an integer number (81031292034).

Almost surely, 2^323072813387 is an apocalyptic number.

323072813387 is a deficient number, since it is larger than the sum of its proper divisors (1052354749).

323072813387 is a wasteful number, since it uses less digits than its factorization.

323072813387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052354748.

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 323072813387 in words is "three hundred twenty-three billion, seventy-two million, eight hundred thirteen thousand, three hundred eighty-seven".