23122321001 has 8 divisors (see below), whose sum is σ = 24903367944. Its totient is φ = 21341617920.

The previous prime is 23122320983. The next prime is 23122321031. The reversal of 23122321001 is 10012322132.

It can be written as a sum of positive squares in 4 ways, for example, as 1233414400 + 21888906601 = 35120^2 + 147949^2 .

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 23122321001 - 2⁶ = 23122320937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23122321031) 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 7 ways as a sum of consecutive naturals, for example, 63311 + ... + 224171.

It is an arithmetic number, because the mean of its divisors is an integer number (3112920993).

Almost surely, 2^23122321001 is an apocalyptic number.

It is an amenable number.

23122321001 is a deficient number, since it is larger than the sum of its proper divisors (1781046943).

23122321001 is a wasteful number, since it uses less digits than its factorization.

23122321001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171931.

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

Adding to 23122321001 its reverse (10012322132), we get a palindrome (33134643133).

The spelling of 23122321001 in words is "twenty-three billion, one hundred twenty-two million, three hundred twenty-one thousand, one".