232404161 has 8 divisors (see below), whose sum is σ = 268445664. Its totient is φ = 198848320.

The previous prime is 232404157. The next prime is 232404199. The reversal of 232404161 is 161404232.

232404161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 232404161 - 2² = 232404157 is a prime.

It is a super-2 number, since 2×232404161² = 108023388100227842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232404101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621215 + ... + 621588.

It is an arithmetic number, because the mean of its divisors is an integer number (33555708).

Almost surely, 2^232404161 is an apocalyptic number.

It is an amenable number.

232404161 is a deficient number, since it is larger than the sum of its proper divisors (36041503).

232404161 is a wasteful number, since it uses less digits than its factorization.

232404161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242831.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 232404161 is about 15244.8076734343. The cubic root of 232404161 is about 614.8199715416.

Adding to 232404161 its reverse (161404232), we get a palindrome (393808393).

The spelling of 232404161 in words is "two hundred thirty-two million, four hundred four thousand, one hundred sixty-one".