235020239 has 4 divisors (see below), whose sum is σ = 235066200. Its totient is φ = 234974280.

The previous prime is 235020229. The next prime is 235020259. The reversal of 235020239 is 932020532.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-235020239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235020229) 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, 14189 + ... + 25910.

It is an arithmetic number, because the mean of its divisors is an integer number (58766550).

Almost surely, 2^235020239 is an apocalyptic number.

235020239 is a deficient number, since it is larger than the sum of its proper divisors (45961).

235020239 is an equidigital number, since it uses as much as digits as its factorization.

235020239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45960.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 235020239 is about 15330.3698259370. The cubic root of 235020239 is about 617.1182943700.

The spelling of 235020239 in words is "two hundred thirty-five million, twenty thousand, two hundred thirty-nine".