30423122011 has 4 divisors (see below), whose sum is σ = 30435088032. Its totient is φ = 30411155992.

The previous prime is 30423121933. The next prime is 30423122029. The reversal of 30423122011 is 11022132403.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11022132403 = 27431 ⋅401813.

It is a cyclic number.

It is not a de Polignac number, because 30423122011 - 2²¹ = 30421024859 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 30423122011.

It is not an unprimeable number, because it can be changed into a prime (30423123011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5979196 + ... + 5984281.

It is an arithmetic number, because the mean of its divisors is an integer number (7608772008).

Almost surely, 2^30423122011 is an apocalyptic number.

30423122011 is a deficient number, since it is larger than the sum of its proper divisors (11966021).

30423122011 is a wasteful number, since it uses less digits than its factorization.

30423122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11966020.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 30423122011 its reverse (11022132403), we get a palindrome (41445254414).

The spelling of 30423122011 in words is "thirty billion, four hundred twenty-three million, one hundred twenty-two thousand, eleven".