23205043255279 has 2 divisors, whose sum is σ = 23205043255280. Its totient is φ = 23205043255278.

The previous prime is 23205043255081. The next prime is 23205043255297. The reversal of 23205043255279 is 97255234050232.

Together with next prime (23205043255297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23205043255279 - 2¹⁵ = 23205043222511 is a prime.

It is a super-2 number, since 2×23205043255279² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23205023255279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11602521627639 + 11602521627640.

It is an arithmetic number, because the mean of its divisors is an integer number (11602521627640).

Almost surely, 2^{23205043255279} is an apocalyptic number.

23205043255279 is a deficient number, since it is larger than the sum of its proper divisors (1).

23205043255279 is an equidigital number, since it uses as much as digits as its factorization.

23205043255279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536000, while the sum is 49.

The spelling of 23205043255279 in words is "twenty-three trillion, two hundred five billion, forty-three million, two hundred fifty-five thousand, two hundred seventy-nine".