30123023322 has 72 divisors (see below), whose sum is σ = 70603262496. Its totient is φ = 8543048976.

The previous prime is 30123023291. The next prime is 30123023327. The reversal of 30123023322 is 22332032103.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30123023327) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5677723 + ... + 5683025.

It is an arithmetic number, because the mean of its divisors is an integer number (980600868).

Almost surely, 2^30123023322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30123023322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35301631248).

30123023322 is an abundant number, since it is smaller than the sum of its proper divisors (40480239174).

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

30123023322 is a wasteful number, since it uses less digits than its factorization.

30123023322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5600 (or 5454 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 30123023322 its reverse (22332032103), we get a palindrome (52455055425).

The spelling of 30123023322 in words is "thirty billion, one hundred twenty-three million, twenty-three thousand, three hundred twenty-two".