232243505 has 16 divisors (see below), whose sum is σ = 300528144. Its totient is φ = 171275520.

The previous prime is 232243499. The next prime is 232243519. The reversal of 232243505 is 505342232.

It can be written as a sum of positive squares in 8 ways, for example, as 61575409 + 170668096 = 7847^2 + 13064^2 .

It is not a de Polignac number, because 232243505 - 2¹⁶ = 232177969 is a prime.

It is a super-2 number, since 2×232243505² = 107874091229370050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59267 + ... + 63063.

It is an arithmetic number, because the mean of its divisors is an integer number (18783009).

Almost surely, 2^232243505 is an apocalyptic number.

It is an amenable number.

232243505 is a deficient number, since it is larger than the sum of its proper divisors (68284639).

232243505 is a wasteful number, since it uses less digits than its factorization.

232243505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4756.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 232243505 is about 15239.5375586007. The cubic root of 232243505 is about 614.6782682750.

Adding to 232243505 its reverse (505342232), we get a palindrome (737585737).

It can be divided in two parts, 23 and 2243505, that multiplied together give a palindrome (51600615).

The spelling of 232243505 in words is "two hundred thirty-two million, two hundred forty-three thousand, five hundred five".