23263788655 has 4 divisors (see below), whose sum is σ = 27916546392. Its totient is φ = 18611030920.

The previous prime is 23263788643. The next prime is 23263788659. The reversal of 23263788655 is 55688736232.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23263788655 - 2²¹ = 23261691503 is a prime.

It is a super-3 number, since 3×23263788655³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23263788596 and 23263788605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23263788659) 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, 2326378861 + ... + 2326378870.

It is an arithmetic number, because the mean of its divisors is an integer number (6979136598).

Almost surely, 2^23263788655 is an apocalyptic number.

23263788655 is a deficient number, since it is larger than the sum of its proper divisors (4652757737).

23263788655 is an equidigital number, since it uses as much as digits as its factorization.

23263788655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4652757736.

The product of its digits is 14515200, while the sum is 55.

The spelling of 23263788655 in words is "twenty-three billion, two hundred sixty-three million, seven hundred eighty-eight thousand, six hundred fifty-five".