23423784299 has 2 divisors, whose sum is σ = 23423784300. Its totient is φ = 23423784298.

The previous prime is 23423784289. The next prime is 23423784311. The reversal of 23423784299 is 99248732432.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23423784299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23423784299.

It is not a weakly prime, because it can be changed into another prime (23423784239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11711892149 + 11711892150.

It is an arithmetic number, because the mean of its divisors is an integer number (11711892150).

Almost surely, 2^23423784299 is an apocalyptic number.

23423784299 is a deficient number, since it is larger than the sum of its proper divisors (1).

23423784299 is an equidigital number, since it uses as much as digits as its factorization.

23423784299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5225472, while the sum is 53.

The spelling of 23423784299 in words is "twenty-three billion, four hundred twenty-three million, seven hundred eighty-four thousand, two hundred ninety-nine".