123221230001 has 4 divisors (see below), whose sum is σ = 123271180272. Its totient is φ = 123171279732.

The previous prime is 123221229983. The next prime is 123221230117. The reversal of 123221230001 is 100032122321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100032122321 = 97 ⋅1031258993.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123221230001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123221230501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24971435 + ... + 24976368.

It is an arithmetic number, because the mean of its divisors is an integer number (30817795068).

Almost surely, 2^123221230001 is an apocalyptic number.

It is an amenable number.

123221230001 is a deficient number, since it is larger than the sum of its proper divisors (49950271).

123221230001 is an equidigital number, since it uses as much as digits as its factorization.

123221230001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49950270.

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

Adding to 123221230001 its reverse (100032122321), we get a palindrome (223253352322).

The spelling of 123221230001 in words is "one hundred twenty-three billion, two hundred twenty-one million, two hundred thirty thousand, one".