30344223 has 32 divisors (see below), whose sum is σ = 51028992. Its totient is φ = 15609600.

The previous prime is 30344221. The next prime is 30344239. The reversal of 30344223 is 32244303.

It is not a de Polignac number, because 30344223 - 2¹ = 30344221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 30344223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30344221) 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 31 ways as a sum of consecutive naturals, for example, 9838 + ... + 12548.

It is an arithmetic number, because the mean of its divisors is an integer number (1594656).

Almost surely, 2^30344223 is an apocalyptic number.

30344223 is a deficient number, since it is larger than the sum of its proper divisors (20684769).

30344223 is a wasteful number, since it uses less digits than its factorization.

30344223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2775.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 30344223 is about 5508.5590674876. The cubic root of 30344223 is about 311.9071572043.

Adding to 30344223 its reverse (32244303), we get a palindrome (62588526).

The spelling of 30344223 in words is "thirty million, three hundred forty-four thousand, two hundred twenty-three".