234983309 has 4 divisors (see below), whose sum is σ = 256345440. Its totient is φ = 213621180.

The previous prime is 234983303. The next prime is 234983311. The reversal of 234983309 is 903389432.

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 234983309 - 2⁸ = 234983053 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234983303) 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 in 3 ways as a sum of consecutive naturals, for example, 10681049 + ... + 10681070.

It is an arithmetic number, because the mean of its divisors is an integer number (64086360).

Almost surely, 2^234983309 is an apocalyptic number.

It is an amenable number.

234983309 is a deficient number, since it is larger than the sum of its proper divisors (21362131).

234983309 is a wasteful number, since it uses less digits than its factorization.

234983309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21362130.

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 234983309 is about 15329.1653066956. The cubic root of 234983309 is about 617.0859689661.

It can be divided in two parts, 2349 and 83309, that added together give a palindrome (85658).

The spelling of 234983309 in words is "two hundred thirty-four million, nine hundred eighty-three thousand, three hundred nine".