30430444223 has 4 divisors (see below), whose sum is σ = 31412071488. Its totient is φ = 29448816960.

The previous prime is 30430444151. The next prime is 30430444241. The reversal of 30430444223 is 32244403403.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30430444223 is a prime.

It is a super-2 number, since 2×30430444223² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30430444823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490813586 + ... + 490813647.

It is an arithmetic number, because the mean of its divisors is an integer number (7853017872).

Almost surely, 2^30430444223 is an apocalyptic number.

30430444223 is a deficient number, since it is larger than the sum of its proper divisors (981627265).

30430444223 is an equidigital number, since it uses as much as digits as its factorization.

30430444223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981627264.

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 30430444223 its reverse (32244403403), we get a palindrome (62674847626).

The spelling of 30430444223 in words is "thirty billion, four hundred thirty million, four hundred forty-four thousand, two hundred twenty-three".