23136643170829 has 2 divisors, whose sum is σ = 23136643170830. Its totient is φ = 23136643170828.

The previous prime is 23136643170793. The next prime is 23136643170877. The reversal of 23136643170829 is 92807134663132.

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., 20450971175625 + 2685671995204 = 4522275^2 + 1638802^2 .

It is a cyclic number.

It is not a de Polignac number, because 23136643170829 - 2³⁷ = 22999204217357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23136643170829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23136643170899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11568321585414 + 11568321585415.

It is an arithmetic number, because the mean of its divisors is an integer number (11568321585415).

Almost surely, 2^{23136643170829} is an apocalyptic number.

It is an amenable number.

23136643170829 is a deficient number, since it is larger than the sum of its proper divisors (1).

23136643170829 is an equidigital number, since it uses as much as digits as its factorization.

23136643170829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7838208, while the sum is 55.

The spelling of 23136643170829 in words is "twenty-three trillion, one hundred thirty-six billion, six hundred forty-three million, one hundred seventy thousand, eight hundred twenty-nine".