3206513157223 has 4 divisors (see below), whose sum is σ = 3206938375368. Its totient is φ = 3206087939080.

The previous prime is 3206513157193. The next prime is 3206513157227. The reversal of 3206513157223 is 3227513156023.

It is a happy number.

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 3206513157223 - 2³⁷ = 3069074203751 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3206513157227) 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, 212597761 + ... + 212612842.

It is an arithmetic number, because the mean of its divisors is an integer number (801734593842).

Almost surely, 2^{3206513157223} is an apocalyptic number.

3206513157223 is a deficient number, since it is larger than the sum of its proper divisors (425218145).

3206513157223 is an equidigital number, since it uses as much as digits as its factorization.

3206513157223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425218144.

The product of its (nonzero) digits is 226800, while the sum is 40.

The spelling of 3206513157223 in words is "three trillion, two hundred six billion, five hundred thirteen million, one hundred fifty-seven thousand, two hundred twenty-three".