23251342782727 has 2 divisors, whose sum is σ = 23251342782728. Its totient is φ = 23251342782726.

The previous prime is 23251342782713. The next prime is 23251342782743. The reversal of 23251342782727 is 72728724315232.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23251342782727 - 2⁷ = 23251342782599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23251342783727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11625671391363 + 11625671391364.

It is an arithmetic number, because the mean of its divisors is an integer number (11625671391364).

Almost surely, 2^{23251342782727} is an apocalyptic number.

23251342782727 is a deficient number, since it is larger than the sum of its proper divisors (1).

23251342782727 is an equidigital number, since it uses as much as digits as its factorization.

23251342782727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15805440, while the sum is 55.

The spelling of 23251342782727 in words is "twenty-three trillion, two hundred fifty-one billion, three hundred forty-two million, seven hundred eighty-two thousand, seven hundred twenty-seven".