243362231 has 8 divisors (see below), whose sum is σ = 278223744. Its totient is φ = 208524600.

The previous prime is 243362221. The next prime is 243362239. The reversal of 243362231 is 132263342.

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

It is a cyclic number.

It is not a de Polignac number, because 243362231 - 2²² = 239167927 is a prime.

It is a super-2 number, since 2×243362231² = 118450350954594722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 243362231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243362239) 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, 31916 + ... + 38798.

It is an arithmetic number, because the mean of its divisors is an integer number (34777968).

Almost surely, 2^243362231 is an apocalyptic number.

243362231 is a deficient number, since it is larger than the sum of its proper divisors (34861513).

243362231 is an equidigital number, since it uses as much as digits as its factorization.

243362231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11941.

The product of its digits is 5184, while the sum is 26.

The square root of 243362231 is about 15600.0715062464. The cubic root of 243362231 is about 624.3350632789.

The spelling of 243362231 in words is "two hundred forty-three million, three hundred sixty-two thousand, two hundred thirty-one".