232133261 has 4 divisors (see below), whose sum is σ = 232446432. Its totient is φ = 231820092.

The previous prime is 232133207. The next prime is 232133287. The reversal of 232133261 is 162331232.

232133261 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 232133261 - 2¹⁰ = 232132237 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 (232133201) 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, 155471 + ... + 156956.

It is an arithmetic number, because the mean of its divisors is an integer number (58111608).

Almost surely, 2^232133261 is an apocalyptic number.

It is an amenable number.

232133261 is a deficient number, since it is larger than the sum of its proper divisors (313171).

232133261 is an equidigital number, since it uses as much as digits as its factorization.

232133261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313170.

The product of its digits is 1296, while the sum is 23.

The square root of 232133261 is about 15235.9200903654. The cubic root of 232133261 is about 614.5809920473.

Adding to 232133261 its reverse (162331232), we get a palindrome (394464493).

The spelling of 232133261 in words is "two hundred thirty-two million, one hundred thirty-three thousand, two hundred sixty-one".