663072023 has 8 divisors (see below), whose sum is σ = 666550848. Its totient is φ = 659602944.

The previous prime is 663071993. The next prime is 663072061. The reversal of 663072023 is 320270366.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 663072023 - 2²⁰ = 662023447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663012023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161411 + ... + 165467.

It is an arithmetic number, because the mean of its divisors is an integer number (83318856).

Almost surely, 2^663072023 is an apocalyptic number.

663072023 is a deficient number, since it is larger than the sum of its proper divisors (3478825).

663072023 is a wasteful number, since it uses less digits than its factorization.

663072023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4873.

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 663072023 is about 25750.1849119574. The cubic root of 663072023 is about 872.0075290256.

The spelling of 663072023 in words is "six hundred sixty-three million, seventy-two thousand, twenty-three".