9770023 has 4 divisors (see below), whose sum is σ = 9782208. Its totient is φ = 9757840.

The previous prime is 9770021. The next prime is 9770039. The reversal of 9770023 is 3200779.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9770023 - 2¹ = 9770021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9769973 and 9770000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9770021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4798 + ... + 6523.

It is an arithmetic number, because the mean of its divisors is an integer number (2445552).

Almost surely, 2^9770023 is an apocalyptic number.

9770023 is a deficient number, since it is larger than the sum of its proper divisors (12185).

9770023 is a wasteful number, since it uses less digits than its factorization.

9770023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12184.

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 9770023 is about 3125.7036007913. The cubic root of 9770023 is about 213.7790758755.

The spelling of 9770023 in words is "nine million, seven hundred seventy thousand, twenty-three".