9120031223 has 16 divisors (see below), whose sum is σ = 9342090240. Its totient is φ = 8900914176.

The previous prime is 9120031213. The next prime is 9120031237. The reversal of 9120031223 is 3221300219.

It is a cyclic number.

It is not a de Polignac number, because 9120031223 - 2¹² = 9120027127 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 (9120031213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3390263 + ... + 3392951.

It is an arithmetic number, because the mean of its divisors is an integer number (583880640).

Almost surely, 2^9120031223 is an apocalyptic number.

9120031223 is a deficient number, since it is larger than the sum of its proper divisors (222059017).

9120031223 is a wasteful number, since it uses less digits than its factorization.

9120031223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3206.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 9120031223 is about 95498.8545638114. The cubic root of 9120031223 is about 2089.2902379195.

The spelling of 9120031223 in words is "nine billion, one hundred twenty million, thirty-one thousand, two hundred twenty-three".