23101442321 has 2 divisors, whose sum is σ = 23101442322. Its totient is φ = 23101442320.

The previous prime is 23101442297. The next prime is 23101442347. The reversal of 23101442321 is 12324410132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18513412096 + 4588030225 = 136064^2 + 67735^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23101442321 is a prime.

It is not a weakly prime, because it can be changed into another prime (23101442921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11550721160 + 11550721161.

It is an arithmetic number, because the mean of its divisors is an integer number (11550721161).

Almost surely, 2^23101442321 is an apocalyptic number.

It is an amenable number.

23101442321 is a deficient number, since it is larger than the sum of its proper divisors (1).

23101442321 is an equidigital number, since it uses as much as digits as its factorization.

23101442321 is an odious number, because the sum of its binary digits is odd.

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

Adding to 23101442321 its reverse (12324410132), we get a palindrome (35425852453).

The spelling of 23101442321 in words is "twenty-three billion, one hundred one million, four hundred forty-two thousand, three hundred twenty-one".