30440003223 has 32 divisors (see below), whose sum is σ = 49582052352. Its totient is φ = 16232198400.

The previous prime is 30440003213. The next prime is 30440003239. The reversal of 30440003223 is 32230004403.

It is not a de Polignac number, because 30440003223 - 2⁶ = 30440003159 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 30440003223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30440003213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 748768 + ... + 788373.

It is an arithmetic number, because the mean of its divisors is an integer number (1549439136).

Almost surely, 2^30440003223 is an apocalyptic number.

30440003223 is a deficient number, since it is larger than the sum of its proper divisors (19142049129).

30440003223 is a wasteful number, since it uses less digits than its factorization.

30440003223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537215.

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

Adding to 30440003223 its reverse (32230004403), we get a palindrome (62670007626).

The spelling of 30440003223 in words is "thirty billion, four hundred forty million, three thousand, two hundred twenty-three".