23251342783849 has 2 divisors, whose sum is σ = 23251342783850. Its totient is φ = 23251342783848.

The previous prime is 23251342783811. The next prime is 23251342783909. The reversal of 23251342783849 is 94838724315232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17340828149824 + 5910514634025 = 4164232^2 + 2431155^2 .

It is a cyclic number.

It is not a de Polignac number, because 23251342783849 - 2¹⁷ = 23251342652777 is a prime.

It is not a weakly prime, because it can be changed into another prime (23251342783349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11625671391924 + 11625671391925.

It is an arithmetic number, because the mean of its divisors is an integer number (11625671391925).

Almost surely, 2^{23251342783849} is an apocalyptic number.

It is an amenable number.

23251342783849 is a deficient number, since it is larger than the sum of its proper divisors (1).

23251342783849 is an equidigital number, since it uses as much as digits as its factorization.

23251342783849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69672960, while the sum is 61.

The spelling of 23251342783849 in words is "twenty-three trillion, two hundred fifty-one billion, three hundred forty-two million, seven hundred eighty-three thousand, eight hundred forty-nine".