233780029 has 6 divisors (see below), whose sum is σ = 271948254. Its totient is φ = 200382840.

The previous prime is 233779993. The next prime is 233780051. The reversal of 233780029 is 920087332.

It can be written as a sum of positive squares in only one way, i.e., 117722500 + 116057529 = 10850^2 + 10773^2 .

It is not a de Polignac number, because 233780029 - 2¹⁹ = 233255741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 233779976 and 233780003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233780089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2385462 + ... + 2385559.

It is an arithmetic number, because the mean of its divisors is an integer number (45324709).

Almost surely, 2^233780029 is an apocalyptic number.

It is an amenable number.

233780029 is a deficient number, since it is larger than the sum of its proper divisors (38168225).

233780029 is an equidigital number, since it uses as much as digits as its factorization.

233780029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4771035 (or 4771028 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 233780029 is about 15289.8668731942. The cubic root of 233780029 is about 616.0308610572.

The spelling of 233780029 in words is "two hundred thirty-three million, seven hundred eighty thousand, twenty-nine".