667231535323 has 4 divisors (see below), whose sum is σ = 668862908680. Its totient is φ = 665600161968.

The previous prime is 667231535317. The next prime is 667231535353. The reversal of 667231535323 is 323535132766.

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

It is a cyclic number.

It is not a de Polignac number, because 667231535323 - 2⁵ = 667231535291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (667231535353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 815686065 + ... + 815686882.

It is an arithmetic number, because the mean of its divisors is an integer number (167215727170).

Almost surely, 2^667231535323 is an apocalyptic number.

667231535323 is a deficient number, since it is larger than the sum of its proper divisors (1631373357).

667231535323 is a wasteful number, since it uses less digits than its factorization.

667231535323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631373356.

The product of its digits is 2041200, while the sum is 46.

The spelling of 667231535323 in words is "six hundred sixty-seven billion, two hundred thirty-one million, five hundred thirty-five thousand, three hundred twenty-three".