23638816303 has 2 divisors, whose sum is σ = 23638816304. Its totient is φ = 23638816302.

The previous prime is 23638816297. The next prime is 23638816321. The reversal of 23638816303 is 30361883632.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23638816303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23638816303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23638816343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11819408151 + 11819408152.

It is an arithmetic number, because the mean of its divisors is an integer number (11819408152).

Almost surely, 2^23638816303 is an apocalyptic number.

23638816303 is a deficient number, since it is larger than the sum of its proper divisors (1).

23638816303 is an equidigital number, since it uses as much as digits as its factorization.

23638816303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 43.

The spelling of 23638816303 in words is "twenty-three billion, six hundred thirty-eight million, eight hundred sixteen thousand, three hundred three".