30205105223 has 8 divisors (see below), whose sum is σ = 31388726400. Its totient is φ = 29034563040.

The previous prime is 30205105193. The next prime is 30205105261. The reversal of 30205105223 is 32250150203.

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 30205105223 - 2¹⁰ = 30205104199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30205105523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3265040 + ... + 3274277.

It is an arithmetic number, because the mean of its divisors is an integer number (3923590800).

Almost surely, 2^30205105223 is an apocalyptic number.

30205105223 is a deficient number, since it is larger than the sum of its proper divisors (1183621177).

30205105223 is a wasteful number, since it uses less digits than its factorization.

30205105223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6539497.

The product of its (nonzero) digits is 1800, while the sum is 23.

Adding to 30205105223 its reverse (32250150203), we get a palindrome (62455255426).

The spelling of 30205105223 in words is "thirty billion, two hundred five million, one hundred five thousand, two hundred twenty-three".