9161223 has 8 divisors (see below), whose sum is σ = 12308736. Its totient is φ = 6060600.

The previous prime is 9161219. The next prime is 9161239. The reversal of 9161223 is 3221619.

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

It is not a de Polignac number, because 9161223 - 2² = 9161219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9161193 and 9161202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9161203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11263 + ... + 12048.

It is an arithmetic number, because the mean of its divisors is an integer number (1538592).

Almost surely, 2^9161223 is an apocalyptic number.

9161223 is a deficient number, since it is larger than the sum of its proper divisors (3147513).

9161223 is a wasteful number, since it uses less digits than its factorization.

9161223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23445.

The product of its digits is 648, while the sum is 24.

The square root of 9161223 is about 3026.7512286278. The cubic root of 9161223 is about 209.2431028789.

The spelling of 9161223 in words is "nine million, one hundred sixty-one thousand, two hundred twenty-three".