243441111 has 8 divisors (see below), whose sum is σ = 325519600. Its totient is φ = 161828352.

The previous prime is 243441043. The next prime is 243441113. The reversal of 243441111 is 111144342.

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

It is not a de Polignac number, because 243441111 - 2⁷ = 243440983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243441113) 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, 115210 + ... + 117303.

It is an arithmetic number, because the mean of its divisors is an integer number (40689950).

Almost surely, 2^243441111 is an apocalyptic number.

243441111 is a deficient number, since it is larger than the sum of its proper divisors (82078489).

243441111 is a wasteful number, since it uses less digits than its factorization.

243441111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232865.

The product of its digits is 384, while the sum is 21.

The square root of 243441111 is about 15602.5994949560. The cubic root of 243441111 is about 624.4025103785.

Adding to 243441111 its reverse (111144342), we get a palindrome (354585453).

The spelling of 243441111 in words is "two hundred forty-three million, four hundred forty-one thousand, one hundred eleven".