23444382663 has 56 divisors (see below), whose sum is σ = 39847020080. Its totient is φ = 13667875200.

The previous prime is 23444382641. The next prime is 23444382667. The reversal of 23444382663 is 36628344432.

It is a happy number.

23444382663 is a `hidden beast` number, since 2 + 344 + 43 + 8 + 266 + 3 = 666.

It is not a de Polignac number, because 23444382663 - 2⁸ = 23444382407 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 (23444382667) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 114963 + ... + 245163.

It is an arithmetic number, because the mean of its divisors is an integer number (711553930).

Almost surely, 2^23444382663 is an apocalyptic number.

23444382663 is a deficient number, since it is larger than the sum of its proper divisors (16402637417).

23444382663 is a wasteful number, since it uses less digits than its factorization.

23444382663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130251 (or 130236 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 45.

The spelling of 23444382663 in words is "twenty-three billion, four hundred forty-four million, three hundred eighty-two thousand, six hundred sixty-three".