243112055 has 16 divisors (see below), whose sum is σ = 294763104. Its totient is φ = 192481920.

The previous prime is 243112043. The next prime is 243112061. The reversal of 243112055 is 550211342.

It is not a de Polignac number, because 243112055 - 2⁴ = 243112039 is a prime.

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 243112055.

It is a congruent 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, 257885 + ... + 258825.

It is an arithmetic number, because the mean of its divisors is an integer number (18422694).

Almost surely, 2^243112055 is an apocalyptic number.

243112055 is a deficient number, since it is larger than the sum of its proper divisors (51651049).

243112055 is a wasteful number, since it uses less digits than its factorization.

243112055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 243112055 is about 15592.0510196702. The cubic root of 243112055 is about 624.1210514318.

Adding to 243112055 its reverse (550211342), we get a palindrome (793323397).

The spelling of 243112055 in words is "two hundred forty-three million, one hundred twelve thousand, fifty-five".