23723447873 has 2 divisors, whose sum is σ = 23723447874. Its totient is φ = 23723447872.

The previous prime is 23723447851. The next prime is 23723447927. The reversal of 23723447873 is 37874432732.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23708916529 + 14531344 = 153977^2 + 3812^2 .

It is a cyclic number.

It is not a de Polignac number, because 23723447873 - 2⁸ = 23723447617 is a prime.

It is not a weakly prime, because it can be changed into another prime (23723447833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11861723936 + 11861723937.

It is an arithmetic number, because the mean of its divisors is an integer number (11861723937).

Almost surely, 2^23723447873 is an apocalyptic number.

It is an amenable number.

23723447873 is a deficient number, since it is larger than the sum of its proper divisors (1).

23723447873 is an equidigital number, since it uses as much as digits as its factorization.

23723447873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4741632, while the sum is 50.

The spelling of 23723447873 in words is "twenty-three billion, seven hundred twenty-three million, four hundred forty-seven thousand, eight hundred seventy-three".