9923073308201 has 2 divisors, whose sum is σ = 9923073308202. Its totient is φ = 9923073308200.

The previous prime is 9923073308173. The next prime is 9923073308297. The reversal of 9923073308201 is 1028033703299.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6624214800025 + 3298858508176 = 2573755^2 + 1816276^2 .

It is a cyclic number.

It is not a de Polignac number, because 9923073308201 - 2⁴² = 5525026797097 is a prime.

It is a super-2 number, since 2×9923073308201² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9923073398201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4961536654100 + 4961536654101.

It is an arithmetic number, because the mean of its divisors is an integer number (4961536654101).

Almost surely, 2^{9923073308201} is an apocalyptic number.

It is an amenable number.

9923073308201 is a deficient number, since it is larger than the sum of its proper divisors (1).

9923073308201 is an equidigital number, since it uses as much as digits as its factorization.

9923073308201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 47.

The spelling of 9923073308201 in words is "nine trillion, nine hundred twenty-three billion, seventy-three million, three hundred eight thousand, two hundred one".