320056463155223 has 4 divisors (see below), whose sum is σ = 320072143762728. Its totient is φ = 320040782547720.

The previous prime is 320056463155213. The next prime is 320056463155241. The reversal of 320056463155223 is 322551364650023.

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 320056463155223 - 2⁴⁰ = 318956951527447 is a prime.

It is a super-2 number, since 2×320056463155223² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320056463155213) 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, 7840273136 + ... + 7840313957.

It is an arithmetic number, because the mean of its divisors is an integer number (80018035940682).

Almost surely, 2^{320056463155223} is an apocalyptic number.

320056463155223 is a deficient number, since it is larger than the sum of its proper divisors (15680607505).

320056463155223 is a wasteful number, since it uses less digits than its factorization.

320056463155223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15680607504.

The product of its (nonzero) digits is 3888000, while the sum is 47.

The spelling of 320056463155223 in words is "three hundred twenty trillion, fifty-six billion, four hundred sixty-three million, one hundred fifty-five thousand, two hundred twenty-three".