9023042730197 has 4 divisors (see below), whose sum is σ = 9193288819500. Its totient is φ = 8852796640896.

The previous prime is 9023042730137. The next prime is 9023042730209. The reversal of 9023042730197 is 7910372403209.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5412164876836 + 3610877853361 = 2326406^2 + 1900231^2 .

It is a cyclic number.

It is not a de Polignac number, because 9023042730197 - 2⁸ = 9023042729941 is a prime.

It is a super-2 number, since 2×9023042730197² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9023042730137) 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, 85123044572 + ... + 85123044677.

It is an arithmetic number, because the mean of its divisors is an integer number (2298322204875).

Almost surely, 2^{9023042730197} is an apocalyptic number.

It is an amenable number.

9023042730197 is a deficient number, since it is larger than the sum of its proper divisors (170246089303).

9023042730197 is a wasteful number, since it uses less digits than its factorization.

9023042730197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170246089302.

The product of its (nonzero) digits is 571536, while the sum is 47.

Adding to 9023042730197 its sum of digits (47), we get a square (9023042730244 = 3003838²).

The spelling of 9023042730197 in words is "nine trillion, twenty-three billion, forty-two million, seven hundred thirty thousand, one hundred ninety-seven".