30222120423 has 32 divisors (see below), whose sum is σ = 46424125440. Its totient is φ = 17295780960.

The previous prime is 30222120419. The next prime is 30222120437. The reversal of 30222120423 is 32402122203.

It is not a de Polignac number, because 30222120423 - 2² = 30222120419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30222120423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30222120823) 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 31 ways as a sum of consecutive naturals, for example, 113986 + ... + 270992.

It is an arithmetic number, because the mean of its divisors is an integer number (1450753920).

Almost surely, 2^30222120423 is an apocalyptic number.

30222120423 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

30222120423 is a deficient number, since it is larger than the sum of its proper divisors (16202005017).

30222120423 is a wasteful number, since it uses less digits than its factorization.

30222120423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157347.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 30222120423 its reverse (32402122203), we get a palindrome (62624242626).

The spelling of 30222120423 in words is "thirty billion, two hundred twenty-two million, one hundred twenty thousand, four hundred twenty-three".