7723989223 has 2 divisors, whose sum is σ = 7723989224. Its totient is φ = 7723989222.

The previous prime is 7723989209. The next prime is 7723989239. The reversal of 7723989223 is 3229893277.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7723989223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7723989263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3861994611 + 3861994612.

It is an arithmetic number, because the mean of its divisors is an integer number (3861994612).

Almost surely, 2^7723989223 is an apocalyptic number.

7723989223 is a deficient number, since it is larger than the sum of its proper divisors (1).

7723989223 is an equidigital number, since it uses as much as digits as its factorization.

7723989223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2286144, while the sum is 52.

The square root of 7723989223 is about 87886.2288586784. The cubic root of 7723989223 is about 1976.7293914325.

The spelling of 7723989223 in words is "seven billion, seven hundred twenty-three million, nine hundred eighty-nine thousand, two hundred twenty-three".