30422243123 has 4 divisors (see below), whose sum is σ = 30441152280. Its totient is φ = 30403333968.

The previous prime is 30422243113. The next prime is 30422243149. The reversal of 30422243123 is 32134222403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32134222403 = 1277 ⋅25163839.

It is a cyclic number.

It is not a de Polignac number, because 30422243123 - 2²⁰ = 30421194547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30422243092 and 30422243101.

It is not an unprimeable number, because it can be changed into a prime (30422243113) 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 3 ways as a sum of consecutive naturals, for example, 9452165 + ... + 9455382.

It is an arithmetic number, because the mean of its divisors is an integer number (7610288070).

Almost surely, 2^30422243123 is an apocalyptic number.

30422243123 is a deficient number, since it is larger than the sum of its proper divisors (18909157).

30422243123 is a wasteful number, since it uses less digits than its factorization.

30422243123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18909156.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 30422243123 its reverse (32134222403), we get a palindrome (62556465526).

The spelling of 30422243123 in words is "thirty billion, four hundred twenty-two million, two hundred forty-three thousand, one hundred twenty-three".