23203943130817 has 2 divisors, whose sum is σ = 23203943130818. Its totient is φ = 23203943130816.

The previous prime is 23203943130703. The next prime is 23203943130821. The reversal of 23203943130817 is 71803134930232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19622144636721 + 3581798494096 = 4429689^2 + 1892564^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23203943130817 is a prime.

It is not a weakly prime, because it can be changed into another prime (23203943130827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11601971565408 + 11601971565409.

It is an arithmetic number, because the mean of its divisors is an integer number (11601971565409).

Almost surely, 2^{23203943130817} is an apocalyptic number.

It is an amenable number.

23203943130817 is a deficient number, since it is larger than the sum of its proper divisors (1).

23203943130817 is an equidigital number, since it uses as much as digits as its factorization.

23203943130817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 46.

The spelling of 23203943130817 in words is "twenty-three trillion, two hundred three billion, nine hundred forty-three million, one hundred thirty thousand, eight hundred seventeen".