30023211 has 16 divisors (see below), whose sum is σ = 43971840. Its totient is φ = 18136800.

The previous prime is 30023209. The next prime is 30023219. The reversal of 30023211 is 11232003.

It is a happy number.

It is not a de Polignac number, because 30023211 - 2¹ = 30023209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30023219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10140 + ... + 12761.

It is an arithmetic number, because the mean of its divisors is an integer number (2748240).

Almost surely, 2^30023211 is an apocalyptic number.

30023211 is a deficient number, since it is larger than the sum of its proper divisors (13948629).

30023211 is a wasteful number, since it uses less digits than its factorization.

30023211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22946.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 30023211 is about 5479.3440300824. The cubic root of 30023211 is about 310.8033654636.

Adding to 30023211 its reverse (11232003), we get a palindrome (41255214).

The spelling of 30023211 in words is "thirty million, twenty-three thousand, two hundred eleven".