30223173 has 8 divisors (see below), whose sum is σ = 42049728. Its totient is φ = 19272704.

The previous prime is 30223147. The next prime is 30223177. The reversal of 30223173 is 37132203.

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 30223173 - 2¹⁰ = 30222149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30223177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218940 + ... + 219077.

It is an arithmetic number, because the mean of its divisors is an integer number (5256216).

Almost surely, 2^30223173 is an apocalyptic number.

It is an amenable number.

30223173 is a deficient number, since it is larger than the sum of its proper divisors (11826555).

30223173 is a wasteful number, since it uses less digits than its factorization.

30223173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438043.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 30223173 is about 5497.5606408661. The cubic root of 30223173 is about 311.4918482872.

Adding to 30223173 its reverse (37132203), we get a palindrome (67355376).

The spelling of 30223173 in words is "thirty million, two hundred twenty-three thousand, one hundred seventy-three".