235808123 has 2 divisors, whose sum is σ = 235808124. Its totient is φ = 235808122.

The previous prime is 235808117. The next prime is 235808149. The reversal of 235808123 is 321808532.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 235808123 - 2¹⁴ = 235791739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 235808123.

It is not a weakly prime, because it can be changed into another prime (235808623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117904061 + 117904062.

It is an arithmetic number, because the mean of its divisors is an integer number (117904062).

Almost surely, 2^235808123 is an apocalyptic number.

235808123 is a deficient number, since it is larger than the sum of its proper divisors (1).

235808123 is an equidigital number, since it uses as much as digits as its factorization.

235808123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 235808123 is about 15356.0451614340. The cubic root of 235808123 is about 617.8071361885.

The spelling of 235808123 in words is "two hundred thirty-five million, eight hundred eight thousand, one hundred twenty-three".