30023031223 has 4 divisors (see below), whose sum is σ = 30030359800. Its totient is φ = 30015702648.

The previous prime is 30023031197. The next prime is 30023031257. The reversal of 30023031223 is 32213032003.

It is a happy number.

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 30023031223 - 2³³ = 21433096631 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30023031223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30023031023) 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, 3658140 + ... + 3666337.

It is an arithmetic number, because the mean of its divisors is an integer number (7507589950).

Almost surely, 2^30023031223 is an apocalyptic number.

30023031223 is a deficient number, since it is larger than the sum of its proper divisors (7328577).

30023031223 is an equidigital number, since it uses as much as digits as its factorization.

30023031223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7328576.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 30023031223 its reverse (32213032003), we get a palindrome (62236063226).

The spelling of 30023031223 in words is "thirty billion, twenty-three million, thirty-one thousand, two hundred twenty-three".