23130345121321 has 16 divisors (see below), whose sum is σ = 23868629527680. Its totient is φ = 22404003471360.

The previous prime is 23130345121283. The next prime is 23130345121379. The reversal of 23130345121321 is 12312154303132.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23130345121321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23130345121721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4961065 + ... + 8418601.

It is an arithmetic number, because the mean of its divisors is an integer number (1491789345480).

Almost surely, 2^{23130345121321} is an apocalyptic number.

It is an amenable number.

23130345121321 is a deficient number, since it is larger than the sum of its proper divisors (738284406359).

23130345121321 is a wasteful number, since it uses less digits than its factorization.

23130345121321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3459264.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 23130345121321 its reverse (12312154303132), we get a palindrome (35442499424453).

The spelling of 23130345121321 in words is "twenty-three trillion, one hundred thirty billion, three hundred forty-five million, one hundred twenty-one thousand, three hundred twenty-one".