123000221321 has 8 divisors (see below), whose sum is σ = 129479578080. Its totient is φ = 116521430688.

The previous prime is 123000221269. The next prime is 123000221369. The reversal of 123000221321 is 123122000321.

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 123000221321 - 2¹⁴ = 123000204937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 123000221321.

It is not an unprimeable number, because it can be changed into a prime (123000221921) 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, 347870 + ... + 605816.

It is an arithmetic number, because the mean of its divisors is an integer number (16184947260).

Almost surely, 2^123000221321 is an apocalyptic number.

It is an amenable number.

123000221321 is a deficient number, since it is larger than the sum of its proper divisors (6479356759).

123000221321 is a wasteful number, since it uses less digits than its factorization.

123000221321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283063.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 123000221321 its reverse (123122000321), we get a palindrome (246122221642).

The spelling of 123000221321 in words is "one hundred twenty-three billion, two hundred twenty-one thousand, three hundred twenty-one".