30023120232 has 256 divisors, whose sum is σ = 104400576000. Its totient is φ = 7794855936.

The previous prime is 30023120129. The next prime is 30023120233. The reversal of 30023120232 is 23202132003.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (30023120233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 725278 + ... + 765554.

It is an arithmetic number, because the mean of its divisors is an integer number (407814750).

Almost surely, 2^30023120232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30023120232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52200288000).

30023120232 is an abundant number, since it is smaller than the sum of its proper divisors (74377455768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30023120232 is a wasteful number, since it uses less digits than its factorization.

30023120232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40345 (or 40335 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 30023120232 its reverse (23202132003), we get a palindrome (53225252235).

The spelling of 30023120232 in words is "thirty billion, twenty-three million, one hundred twenty thousand, two hundred thirty-two".