30023213 has 4 divisors (see below), whose sum is σ = 32752608. Its totient is φ = 27293820.

The previous prime is 30023209. The next prime is 30023219. The reversal of 30023213 is 31232003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30023213 - 2² = 30023209 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 (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 3 ways as a sum of consecutive naturals, for example, 1364681 + ... + 1364702.

It is an arithmetic number, because the mean of its divisors is an integer number (8188152).

Almost surely, 2^30023213 is an apocalyptic number.

It is an amenable number.

30023213 is a deficient number, since it is larger than the sum of its proper divisors (2729395).

30023213 is a wasteful number, since it uses less digits than its factorization.

30023213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2729394.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 30023213 is about 5479.3442125860. The cubic root of 30023213 is about 310.8033723650.

Adding to 30023213 its reverse (31232003), we get a palindrome (61255216).

The spelling of 30023213 in words is "thirty million, twenty-three thousand, two hundred thirteen".