23256332663 has 4 divisors (see below), whose sum is σ = 23260184640. Its totient is φ = 23252480688.

The previous prime is 23256332653. The next prime is 23256332731. The reversal of 23256332663 is 36623365232.

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 23256332663 - 2¹⁰ = 23256331639 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 23256332663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23256332653) 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, 1916918 + ... + 1929011.

It is an arithmetic number, because the mean of its divisors is an integer number (5815046160).

Almost surely, 2^23256332663 is an apocalyptic number.

23256332663 is a deficient number, since it is larger than the sum of its proper divisors (3851977).

23256332663 is an equidigital number, since it uses as much as digits as its factorization.

23256332663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3851976.

The product of its digits is 699840, while the sum is 41.

Adding to 23256332663 its reverse (36623365232), we get a palindrome (59879697895).

The spelling of 23256332663 in words is "twenty-three billion, two hundred fifty-six million, three hundred thirty-two thousand, six hundred sixty-three".