9661730023 has 8 divisors (see below), whose sum is σ = 10569432960. Its totient is φ = 8758921080.

The previous prime is 9661729997. The next prime is 9661730047. The reversal of 9661730023 is 3200371669.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9661730023 - 2¹⁷ = 9661598951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9661730053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1219365 + ... + 1227262.

It is an arithmetic number, because the mean of its divisors is an integer number (1321179120).

Almost surely, 2^9661730023 is an apocalyptic number.

9661730023 is a deficient number, since it is larger than the sum of its proper divisors (907702937).

9661730023 is a wasteful number, since it uses less digits than its factorization.

9661730023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2446997.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 9661730023 is about 98294.0996347187. The cubic root of 9661730023 is about 2129.8628213652.

The spelling of 9661730023 in words is "nine billion, six hundred sixty-one million, seven hundred thirty thousand, twenty-three".