23356206173 has 2 divisors, whose sum is σ = 23356206174. Its totient is φ = 23356206172.

The previous prime is 23356206121. The next prime is 23356206191. The reversal of 23356206173 is 37160265332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23356091929 + 114244 = 152827^2 + 338^2 .

It is a cyclic number.

It is not a de Polignac number, because 23356206173 - 2¹⁶ = 23356140637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23356206073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11678103086 + 11678103087.

It is an arithmetic number, because the mean of its divisors is an integer number (11678103087).

Almost surely, 2^23356206173 is an apocalyptic number.

It is an amenable number.

23356206173 is a deficient number, since it is larger than the sum of its proper divisors (1).

23356206173 is an equidigital number, since it uses as much as digits as its factorization.

23356206173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 38.

The spelling of 23356206173 in words is "twenty-three billion, three hundred fifty-six million, two hundred six thousand, one hundred seventy-three".