23435239964177 has 2 divisors, whose sum is σ = 23435239964178. Its totient is φ = 23435239964176.

The previous prime is 23435239964173. The next prime is 23435239964179. The reversal of 23435239964177 is 77146993253432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22490395699216 + 944844264961 = 4742404^2 + 972031^2 .

It is a cyclic number.

It is not a de Polignac number, because 23435239964177 - 2² = 23435239964173 is a prime.

Together with 23435239964179, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23435239964173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11717619982088 + 11717619982089.

It is an arithmetic number, because the mean of its divisors is an integer number (11717619982089).

Almost surely, 2^{23435239964177} is an apocalyptic number.

It is an amenable number.

23435239964177 is a deficient number, since it is larger than the sum of its proper divisors (1).

23435239964177 is an equidigital number, since it uses as much as digits as its factorization.

23435239964177 is an evil number, because the sum of its binary digits is even.

The product of its digits is 205752960, while the sum is 65.

The spelling of 23435239964177 in words is "twenty-three trillion, four hundred thirty-five billion, two hundred thirty-nine million, nine hundred sixty-four thousand, one hundred seventy-seven".