232356161 has 4 divisors (see below), whose sum is σ = 232669632. Its totient is φ = 232042692.

The previous prime is 232356121. The next prime is 232356199. The reversal of 232356161 is 161653232.

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 232356161 - 2¹⁴ = 232339777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232356121) 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, 155621 + ... + 157106.

It is an arithmetic number, because the mean of its divisors is an integer number (58167408).

Almost surely, 2^232356161 is an apocalyptic number.

It is an amenable number.

232356161 is a deficient number, since it is larger than the sum of its proper divisors (313471).

232356161 is an equidigital number, since it uses as much as digits as its factorization.

232356161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313470.

The product of its digits is 6480, while the sum is 29.

The square root of 232356161 is about 15243.2332856255. The cubic root of 232356161 is about 614.7776409877. Note that the first 3 decimals are identical.

The spelling of 232356161 in words is "two hundred thirty-two million, three hundred fifty-six thousand, one hundred sixty-one".