30253423221 has 48 divisors (see below), whose sum is σ = 52139632896. Its totient is φ = 16527760128.

The previous prime is 30253423201. The next prime is 30253423229. The reversal of 30253423221 is 12232435203.

30253423221 is a `hidden beast` number, since 302 + 5 + 34 + 2 + 322 + 1 = 666.

It is not a de Polignac number, because 30253423221 - 2⁹ = 30253422709 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30253423229) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3898281 + ... + 3906033.

It is an arithmetic number, because the mean of its divisors is an integer number (1086242352).

Almost surely, 2^30253423221 is an apocalyptic number.

It is an amenable number.

30253423221 is a deficient number, since it is larger than the sum of its proper divisors (21886209675).

30253423221 is a wasteful number, since it uses less digits than its factorization.

30253423221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10482 (or 10479 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 30253423221 its reverse (12232435203), we get a palindrome (42485858424).

The spelling of 30253423221 in words is "thirty billion, two hundred fifty-three million, four hundred twenty-three thousand, two hundred twenty-one".