123122230221 has 8 divisors (see below), whose sum is σ = 164256627520. Its totient is φ = 82034659872.

The previous prime is 123122230219. The next prime is 123122230229. The reversal of 123122230221 is 122032221321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123122230221 - 2¹ = 123122230219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123122230229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11700601 + ... + 11711118.

It is an arithmetic number, because the mean of its divisors is an integer number (20532078440).

Almost surely, 2^123122230221 is an apocalyptic number.

It is an amenable number.

123122230221 is a deficient number, since it is larger than the sum of its proper divisors (41134397299).

123122230221 is a wasteful number, since it uses less digits than its factorization.

123122230221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23413475.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 123122230221 its reverse (122032221321), we get a palindrome (245154451542).

The spelling of 123122230221 in words is "one hundred twenty-three billion, one hundred twenty-two million, two hundred thirty thousand, two hundred twenty-one".