23785065329 has 2 divisors, whose sum is σ = 23785065330. Its totient is φ = 23785065328.

The previous prime is 23785065319. The next prime is 23785065341. The reversal of 23785065329 is 92356058732.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23562250000 + 222815329 = 153500^2 + 14927^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23785065329 is a prime.

It is not a weakly prime, because it can be changed into another prime (23785065319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11892532664 + 11892532665.

It is an arithmetic number, because the mean of its divisors is an integer number (11892532665).

Almost surely, 2^23785065329 is an apocalyptic number.

It is an amenable number.

23785065329 is a deficient number, since it is larger than the sum of its proper divisors (1).

23785065329 is an equidigital number, since it uses as much as digits as its factorization.

23785065329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2721600, while the sum is 50.

The spelling of 23785065329 in words is "twenty-three billion, seven hundred eighty-five million, sixty-five thousand, three hundred twenty-nine".