23981070329 has 2 divisors, whose sum is σ = 23981070330. Its totient is φ = 23981070328.

The previous prime is 23981070307. The next prime is 23981070389. The reversal of 23981070329 is 92307018932.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22510501225 + 1470569104 = 150035^2 + 38348^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23981070329 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23981070329.

It is not a weakly prime, because it can be changed into another prime (23981070389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11990535164 + 11990535165.

It is an arithmetic number, because the mean of its divisors is an integer number (11990535165).

Almost surely, 2^23981070329 is an apocalyptic number.

It is an amenable number.

23981070329 is a deficient number, since it is larger than the sum of its proper divisors (1).

23981070329 is an equidigital number, since it uses as much as digits as its factorization.

23981070329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 23981070329 in words is "twenty-three billion, nine hundred eighty-one million, seventy thousand, three hundred twenty-nine".