123122222321 has 8 divisors (see below), whose sum is σ = 145250179584. Its totient is φ = 102129032160.

The previous prime is 123122222299. The next prime is 123122222329. The reversal of 123122222321 is 123222221321.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 123122222321 - 2¹⁰ = 123122221297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123122222329) 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, 283691540 + ... + 283691973.

It is an arithmetic number, because the mean of its divisors is an integer number (18156272448).

Almost surely, 2^123122222321 is an apocalyptic number.

It is an amenable number.

123122222321 is a deficient number, since it is larger than the sum of its proper divisors (22127957263).

123122222321 is an equidigital number, since it uses as much as digits as its factorization.

123122222321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567383551.

The product of its digits is 1152, while the sum is 23.

Adding to 123122222321 its reverse (123222221321), we get a palindrome (246344443642).

The spelling of 123122222321 in words is "one hundred twenty-three billion, one hundred twenty-two million, two hundred twenty-two thousand, three hundred twenty-one".