30223853 has 16 divisors (see below), whose sum is σ = 34616832. Its totient is φ = 26136000.

The previous prime is 30223801. The next prime is 30223861. The reversal of 30223853 is 35832203.

It is a de Polignac number, because none of the positive numbers 2^k-30223853 is a prime.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30223553) 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, 20075 + ... + 21527.

It is an arithmetic number, because the mean of its divisors is an integer number (2163552).

Almost surely, 2^30223853 is an apocalyptic number.

It is an amenable number.

30223853 is a deficient number, since it is larger than the sum of its proper divisors (4392979).

30223853 is a wasteful number, since it uses less digits than its factorization.

30223853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 30223853 is about 5497.6224861298. The cubic root of 30223853 is about 311.4941843851.

The spelling of 30223853 in words is "thirty million, two hundred twenty-three thousand, eight hundred fifty-three".