243125440183 has 2 divisors, whose sum is σ = 243125440184. Its totient is φ = 243125440182.

The previous prime is 243125440163. The next prime is 243125440241. The reversal of 243125440183 is 381044521342.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243125440183 - 2²⁹ = 242588569271 is a prime.

It is a super-2 number, since 2×243125440183² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243125440163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121562720091 + 121562720092.

It is an arithmetic number, because the mean of its divisors is an integer number (121562720092).

Almost surely, 2^243125440183 is an apocalyptic number.

243125440183 is a deficient number, since it is larger than the sum of its proper divisors (1).

243125440183 is an equidigital number, since it uses as much as digits as its factorization.

243125440183 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92160, while the sum is 37.

The spelling of 243125440183 in words is "two hundred forty-three billion, one hundred twenty-five million, four hundred forty thousand, one hundred eighty-three".