30023223 has 4 divisors (see below), whose sum is σ = 40030968. Its totient is φ = 20015480.

The previous prime is 30023219. The next prime is 30023251. The reversal of 30023223 is 32232003.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30023223 - 2² = 30023219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30023293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5003868 + ... + 5003873.

It is an arithmetic number, because the mean of its divisors is an integer number (10007742).

Almost surely, 2^30023223 is an apocalyptic number.

30023223 is a deficient number, since it is larger than the sum of its proper divisors (10007745).

30023223 is a wasteful number, since it uses less digits than its factorization.

30023223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10007744.

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 30023223 is about 5479.3451251039. The cubic root of 30023223 is about 310.8034068720.

Adding to 30023223 its reverse (32232003), we get a palindrome (62255226).

The spelling of 30023223 in words is "thirty million, twenty-three thousand, two hundred twenty-three".