30423211 has 12 divisors (see below), whose sum is σ = 37651152. Its totient is φ = 24070176.

The previous prime is 30423191. The next prime is 30423229. The reversal of 30423211 is 11232403.

It is a happy number.

It is not a de Polignac number, because 30423211 - 2⁷ = 30423083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30423511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11676 + ... + 14041.

It is an arithmetic number, because the mean of its divisors is an integer number (3137596).

Almost surely, 2^30423211 is an apocalyptic number.

30423211 is a deficient number, since it is larger than the sum of its proper divisors (7227941).

30423211 is a wasteful number, since it uses less digits than its factorization.

30423211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25750 (or 25737 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 30423211 is about 5515.7239778655. The cubic root of 30423211 is about 312.1775609669.

Adding to 30423211 its reverse (11232403), we get a palindrome (41655614).

The spelling of 30423211 in words is "thirty million, four hundred twenty-three thousand, two hundred eleven".