9772423 has 2 divisors, whose sum is σ = 9772424. Its totient is φ = 9772422.

The previous prime is 9772421. The next prime is 9772453. The reversal of 9772423 is 3242779.

9772423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (3242779) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9772423 - 2¹ = 9772421 is a prime.

Together with 9772421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9772421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4886211 + 4886212.

It is an arithmetic number, because the mean of its divisors is an integer number (4886212).

Almost surely, 2^9772423 is an apocalyptic number.

9772423 is a deficient number, since it is larger than the sum of its proper divisors (1).

9772423 is an equidigital number, since it uses as much as digits as its factorization.

9772423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 34.

The square root of 9772423 is about 3126.0874907782. The cubic root of 9772423 is about 213.7965793408.

The spelling of 9772423 in words is "nine million, seven hundred seventy-two thousand, four hundred twenty-three".