972723346063 has 16 divisors (see below), whose sum is σ = 1150172743680. Its totient is φ = 804903928416.

The previous prime is 972723346061. The next prime is 972723346081. The reversal of 972723346063 is 360643327279.

It is a happy number.

It is not a de Polignac number, because 972723346063 - 2¹ = 972723346061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 972723346063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972723346061) 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, 1204770 + ... + 1843072.

It is an arithmetic number, because the mean of its divisors is an integer number (71885796480).

Almost surely, 2^972723346063 is an apocalyptic number.

972723346063 is a deficient number, since it is larger than the sum of its proper divisors (177449397617).

972723346063 is a wasteful number, since it uses less digits than its factorization.

972723346063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645846.

The product of its (nonzero) digits is 6858432, while the sum is 52.

The spelling of 972723346063 in words is "nine hundred seventy-two billion, seven hundred twenty-three million, three hundred forty-six thousand, sixty-three".