30321022123 has 32 divisors (see below), whose sum is σ = 36450524160. Its totient is φ = 24672574080.

The previous prime is 30321022099. The next prime is 30321022141. The reversal of 30321022123 is 32122012303.

It is not a de Polignac number, because 30321022123 - 2²¹ = 30318924971 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 30321022123.

It is not an unprimeable number, because it can be changed into a prime (30321025123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8580465 + ... + 8583997.

It is an arithmetic number, because the mean of its divisors is an integer number (1139078880).

Almost surely, 2^30321022123 is an apocalyptic number.

30321022123 is a deficient number, since it is larger than the sum of its proper divisors (6129502037).

30321022123 is a wasteful number, since it uses less digits than its factorization.

30321022123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4267.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30321022123 its reverse (32122012303), we get a palindrome (62443034426).

The spelling of 30321022123 in words is "thirty billion, three hundred twenty-one million, twenty-two thousand, one hundred twenty-three".