235140433 has 4 divisors (see below), whose sum is σ = 256516848. Its totient is φ = 213764020.

The previous prime is 235140407. The next prime is 235140449. The reversal of 235140433 is 334041532.

235140433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 235140433 - 2²¹ = 233043281 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 235140398 and 235140407.

It is not an unprimeable number, because it can be changed into a prime (235140463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10688191 + ... + 10688212.

It is an arithmetic number, because the mean of its divisors is an integer number (64129212).

Almost surely, 2^235140433 is an apocalyptic number.

It is an amenable number.

235140433 is a deficient number, since it is larger than the sum of its proper divisors (21376415).

235140433 is a wasteful number, since it uses less digits than its factorization.

235140433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21376414.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 235140433 is about 15334.2894520744. The cubic root of 235140433 is about 617.2234786093.

Adding to 235140433 its reverse (334041532), we get a palindrome (569181965).

The spelling of 235140433 in words is "two hundred thirty-five million, one hundred forty thousand, four hundred thirty-three".