23130334231321 has 4 divisors (see below), whose sum is σ = 23299168787892. Its totient is φ = 22961499674752.

The previous prime is 23130334231259. The next prime is 23130334231343. The reversal of 23130334231321 is 12313243303132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6421860471321 + 16708473760000 = 2534139^2 + 4087600^2 .

It is a cyclic number.

It is not a de Polignac number, because 23130334231321 - 2¹⁵ = 23130334198553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23130334231421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84417278080 + ... + 84417278353.

It is an arithmetic number, because the mean of its divisors is an integer number (5824792196973).

Almost surely, 2^{23130334231321} is an apocalyptic number.

It is an amenable number.

23130334231321 is a deficient number, since it is larger than the sum of its proper divisors (168834556571).

23130334231321 is a wasteful number, since it uses less digits than its factorization.

23130334231321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168834556570.

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 23130334231321 its reverse (12313243303132), we get a palindrome (35443577534453).

The spelling of 23130334231321 in words is "twenty-three trillion, one hundred thirty billion, three hundred thirty-four million, two hundred thirty-one thousand, three hundred twenty-one".