30321012323 has 16 divisors (see below), whose sum is σ = 34931908800. Its totient is φ = 25780416000.

The previous prime is 30321012311. The next prime is 30321012373. The reversal of 30321012323 is 32321012303.

It is a cyclic number.

It is not a de Polignac number, because 30321012323 - 2¹² = 30321008227 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30321012295 and 30321012304.

It is not an unprimeable number, because it can be changed into a prime (30321012373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 774623 + ... + 812823.

It is an arithmetic number, because the mean of its divisors is an integer number (2183244300).

Almost surely, 2^30321012323 is an apocalyptic number.

30321012323 is a deficient number, since it is larger than the sum of its proper divisors (4610896477).

30321012323 is a wasteful number, since it uses less digits than its factorization.

30321012323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39118.

The product of its (nonzero) digits is 648, while the sum is 20.

Subtracting from 30321012323 its sum of digits (20), we obtain a palindrome (30321012303).

Adding to 30321012323 its reverse (32321012303), we get a palindrome (62642024626).

The spelling of 30321012323 in words is "thirty billion, three hundred twenty-one million, twelve thousand, three hundred twenty-three".