22123000030 has 32 divisors (see below), whose sum is σ = 41204492640. Its totient is φ = 8541993600.

The previous prime is 22123000019. The next prime is 22123000057. The reversal of 22123000030 is 3000032122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1821237 + ... + 1833343.

It is an arithmetic number, because the mean of its divisors is an integer number (1287640395).

Almost surely, 2^22123000030 is an apocalyptic number.

22123000030 is a deficient number, since it is larger than the sum of its proper divisors (19081492610).

22123000030 is a wasteful number, since it uses less digits than its factorization.

22123000030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18444.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 22123000030 its reverse (3000032122), we get a palindrome (25123032152).

The spelling of 22123000030 in words is "twenty-two billion, one hundred twenty-three million, thirty", and thus it is an aban number.