23243165263 has 4 divisors (see below), whose sum is σ = 23278436280. Its totient is φ = 23207894248.

The previous prime is 23243165219. The next prime is 23243165303. The reversal of 23243165263 is 36256134232.

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 23243165263 - 2²¹ = 23241068111 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 (23243165563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17634520 + ... + 17635837.

It is an arithmetic number, because the mean of its divisors is an integer number (5819609070).

Almost surely, 2^23243165263 is an apocalyptic number.

23243165263 is a deficient number, since it is larger than the sum of its proper divisors (35271017).

23243165263 is an equidigital number, since it uses as much as digits as its factorization.

23243165263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35271016.

The product of its digits is 155520, while the sum is 37.

Adding to 23243165263 its reverse (36256134232), we get a palindrome (59499299495).

The spelling of 23243165263 in words is "twenty-three billion, two hundred forty-three million, one hundred sixty-five thousand, two hundred sixty-three".