23301020321 has 2 divisors, whose sum is σ = 23301020322. Its totient is φ = 23301020320.

The previous prime is 23301020317. The next prime is 23301020383. The reversal of 23301020321 is 12302010332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20581919296 + 2719101025 = 143464^2 + 52145^2 .

It is a cyclic number.

It is not a de Polignac number, because 23301020321 - 2² = 23301020317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23301020321.

It is not a weakly prime, because it can be changed into another prime (23301020921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11650510160 + 11650510161.

It is an arithmetic number, because the mean of its divisors is an integer number (11650510161).

Almost surely, 2^23301020321 is an apocalyptic number.

It is an amenable number.

23301020321 is a deficient number, since it is larger than the sum of its proper divisors (1).

23301020321 is an equidigital number, since it uses as much as digits as its factorization.

23301020321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 23301020321 its reverse (12302010332), we get a palindrome (35603030653).

The spelling of 23301020321 in words is "twenty-three billion, three hundred one million, twenty thousand, three hundred twenty-one".