233812939 has 4 divisors (see below), whose sum is σ = 237646000. Its totient is φ = 229979880.

The previous prime is 233812927. The next prime is 233812961. The reversal of 233812939 is 939218332.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 233812939 - 2⁹ = 233812427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233812919) 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, 1916439 + ... + 1916560.

It is an arithmetic number, because the mean of its divisors is an integer number (59411500).

Almost surely, 2^233812939 is an apocalyptic number.

233812939 is a deficient number, since it is larger than the sum of its proper divisors (3833061).

233812939 is an equidigital number, since it uses as much as digits as its factorization.

233812939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3833060.

The product of its digits is 69984, while the sum is 40.

The square root of 233812939 is about 15290.9430382825. The cubic root of 233812939 is about 616.0597666121.

The spelling of 233812939 in words is "two hundred thirty-three million, eight hundred twelve thousand, nine hundred thirty-nine".