235742047 has 2 divisors, whose sum is σ = 235742048. Its totient is φ = 235742046.

The previous prime is 235742033. The next prime is 235742119. The reversal of 235742047 is 740247532.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-235742047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235742027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117871023 + 117871024.

It is an arithmetic number, because the mean of its divisors is an integer number (117871024).

Almost surely, 2^235742047 is an apocalyptic number.

235742047 is a deficient number, since it is larger than the sum of its proper divisors (1).

235742047 is an equidigital number, since it uses as much as digits as its factorization.

235742047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 34.

The square root of 235742047 is about 15353.8935452868. The cubic root of 235742047 is about 617.7494253721.

Adding to 235742047 its reverse (740247532), we get a palindrome (975989579).

The spelling of 235742047 in words is "two hundred thirty-five million, seven hundred forty-two thousand, forty-seven".