30444434223 has 16 divisors (see below), whose sum is σ = 46401659136. Its totient is φ = 17393016960.

The previous prime is 30444434143. The next prime is 30444434227. The reversal of 30444434223 is 32243444403.

It is not a de Polignac number, because 30444434223 - 2⁸ = 30444433967 is a prime.

It is a super-2 number, since 2×30444434223² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30444434227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58618 + ... + 253623.

It is an arithmetic number, because the mean of its divisors is an integer number (2900103696).

Almost surely, 2^30444434223 is an apocalyptic number.

30444434223 is a deficient number, since it is larger than the sum of its proper divisors (15957224913).

30444434223 is a wasteful number, since it uses less digits than its factorization.

30444434223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316894.

The product of its (nonzero) digits is 110592, while the sum is 33.

Adding to 30444434223 its reverse (32243444403), we get a palindrome (62687878626).

The spelling of 30444434223 in words is "thirty billion, four hundred forty-four million, four hundred thirty-four thousand, two hundred twenty-three".