235440043 has 2 divisors, whose sum is σ = 235440044. Its totient is φ = 235440042.

The previous prime is 235440017. The next prime is 235440103. The reversal of 235440043 is 340044532.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 235440043 - 2⁵ = 235440011 is a prime.

It is not a weakly prime, because it can be changed into another prime (235440643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117720021 + 117720022.

It is an arithmetic number, because the mean of its divisors is an integer number (117720022).

Almost surely, 2^235440043 is an apocalyptic number.

235440043 is a deficient number, since it is larger than the sum of its proper divisors (1).

235440043 is an equidigital number, since it uses as much as digits as its factorization.

235440043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 235440043 is about 15344.0556242475. The cubic root of 235440043 is about 617.4855175348.

Adding to 235440043 its reverse (340044532), we get a palindrome (575484575).

The spelling of 235440043 in words is "two hundred thirty-five million, four hundred forty thousand, forty-three".