23102101321 has 8 divisors (see below), whose sum is σ = 25135673864. Its totient is φ = 21105169920.

The previous prime is 23102101303. The next prime is 23102101381. The reversal of 23102101321 is 12310120132.

It can be written as a sum of positive squares in 4 ways, for example, as 5156819721 + 17945281600 = 71811^2 + 133960^2 .

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 23102101321 - 2⁵ = 23102101289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23102101295 and 23102101304.

It is not an unprimeable number, because it can be changed into a prime (23102101381) 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, 9158970 + ... + 9161491.

It is an arithmetic number, because the mean of its divisors is an integer number (3141959233).

Almost surely, 2^23102101321 is an apocalyptic number.

It is an amenable number.

23102101321 is a deficient number, since it is larger than the sum of its proper divisors (2033572543).

23102101321 is a wasteful number, since it uses less digits than its factorization.

23102101321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18320571.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 23102101321 its reverse (12310120132), we get a palindrome (35412221453).

The spelling of 23102101321 in words is "twenty-three billion, one hundred two million, one hundred one thousand, three hundred twenty-one".