243341401 has 4 divisors (see below), whose sum is σ = 244134352. Its totient is φ = 242548452.

The previous prime is 243341393. The next prime is 243341431. The reversal of 243341401 is 104143342.

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 243341401 - 2³ = 243341393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243341431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396015 + ... + 396628.

It is an arithmetic number, because the mean of its divisors is an integer number (61033588).

Almost surely, 2^243341401 is an apocalyptic number.

It is an amenable number.

243341401 is a deficient number, since it is larger than the sum of its proper divisors (792951).

243341401 is an equidigital number, since it uses as much as digits as its factorization.

243341401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792950.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 243341401 is about 15599.4038668149. The cubic root of 243341401 is about 624.3172499554.

Adding to 243341401 its reverse (104143342), we get a palindrome (347484743).

It can be divided in two parts, 2433 and 41401, that added together give a palindrome (43834).

The spelling of 243341401 in words is "two hundred forty-three million, three hundred forty-one thousand, four hundred one".