232040161 has 4 divisors (see below), whose sum is σ = 232078000. Its totient is φ = 232002324.

The previous prime is 232040153. The next prime is 232040173. The reversal of 232040161 is 161040232.

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 232040161 - 2³ = 232040153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232040101) 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, 7371 + ... + 22768.

It is an arithmetic number, because the mean of its divisors is an integer number (58019500).

Almost surely, 2^232040161 is an apocalyptic number.

It is an amenable number.

232040161 is a deficient number, since it is larger than the sum of its proper divisors (37839).

232040161 is an equidigital number, since it uses as much as digits as its factorization.

232040161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37838.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 232040161 is about 15232.8645040911. The cubic root of 232040161 is about 614.4988192168.

Adding to 232040161 its reverse (161040232), we get a palindrome (393080393).

The spelling of 232040161 in words is "two hundred thirty-two million, forty thousand, one hundred sixty-one".