30122310223 has 4 divisors (see below), whose sum is σ = 30124066608. Its totient is φ = 30120553840.

The previous prime is 30122310181. The next prime is 30122310227. The reversal of 30122310223 is 32201322103.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30122310223 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 30122310223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30122310227) 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, 852211 + ... + 886852.

It is an arithmetic number, because the mean of its divisors is an integer number (7531016652).

Almost surely, 2^30122310223 is an apocalyptic number.

30122310223 is a deficient number, since it is larger than the sum of its proper divisors (1756385).

30122310223 is a wasteful number, since it uses less digits than its factorization.

30122310223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756384.

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

Adding to 30122310223 its reverse (32201322103), we get a palindrome (62323632326).

The spelling of 30122310223 in words is "thirty billion, one hundred twenty-two million, three hundred ten thousand, two hundred twenty-three".