235023557849 has 2 divisors, whose sum is σ = 235023557850. Its totient is φ = 235023557848.

The previous prime is 235023557831. The next prime is 235023557897. The reversal of 235023557849 is 948755320532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 234965111824 + 58446025 = 484732^2 + 7645^2 .

It is a cyclic number.

It is not a de Polignac number, because 235023557849 - 2¹² = 235023553753 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 235023557849.

It is not a weakly prime, because it can be changed into another prime (235023517849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117511778924 + 117511778925.

It is an arithmetic number, because the mean of its divisors is an integer number (117511778925).

Almost surely, 2^235023557849 is an apocalyptic number.

It is an amenable number.

235023557849 is a deficient number, since it is larger than the sum of its proper divisors (1).

235023557849 is an equidigital number, since it uses as much as digits as its factorization.

235023557849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072000, while the sum is 53.

The spelling of 235023557849 in words is "two hundred thirty-five billion, twenty-three million, five hundred fifty-seven thousand, eight hundred forty-nine".