23180965873829 has 2 divisors, whose sum is σ = 23180965873830. Its totient is φ = 23180965873828.

The previous prime is 23180965873823. The next prime is 23180965873859. The reversal of 23180965873829 is 92837856908132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15451581722500 + 7729384151329 = 3930850^2 + 2780177^2 .

It is a cyclic number.

It is not a de Polignac number, because 23180965873829 - 2²⁸ = 23180697438373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23180965873823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11590482936914 + 11590482936915.

It is an arithmetic number, because the mean of its divisors is an integer number (11590482936915).

Almost surely, 2^{23180965873829} is an apocalyptic number.

It is an amenable number.

23180965873829 is a deficient number, since it is larger than the sum of its proper divisors (1).

23180965873829 is an equidigital number, since it uses as much as digits as its factorization.

23180965873829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 313528320, while the sum is 71.

The spelling of 23180965873829 in words is "twenty-three trillion, one hundred eighty billion, nine hundred sixty-five million, eight hundred seventy-three thousand, eight hundred twenty-nine".