243141423 has 32 divisors (see below), whose sum is σ = 403468800. Its totient is φ = 127080576.

The previous prime is 243141421. The next prime is 243141427. The reversal of 243141423 is 324141342.

It is not a de Polignac number, because 243141423 - 2¹ = 243141421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243141393 and 243141402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243141421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1065 + ... + 22077.

It is an arithmetic number, because the mean of its divisors is an integer number (12608400).

Almost surely, 2^243141423 is an apocalyptic number.

243141423 is a deficient number, since it is larger than the sum of its proper divisors (160327377).

243141423 is a wasteful number, since it uses less digits than its factorization.

243141423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21071.

The product of its digits is 2304, while the sum is 24.

The square root of 243141423 is about 15592.9927531568. The cubic root of 243141423 is about 624.1461817488.

Adding to 243141423 its reverse (324141342), we get a palindrome (567282765).

The spelling of 243141423 in words is "two hundred forty-three million, one hundred forty-one thousand, four hundred twenty-three".