243001120543 has 2 divisors, whose sum is σ = 243001120544. Its totient is φ = 243001120542.

The previous prime is 243001120519. The next prime is 243001120567. The reversal of 243001120543 is 345021100342.

It is a balanced prime because it is at equal distance from previous prime (243001120519) and next prime (243001120567).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243001120543 is a prime.

It is a super-2 number, since 2×243001120543² (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 (243001127543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121500560271 + 121500560272.

It is an arithmetic number, because the mean of its divisors is an integer number (121500560272).

Almost surely, 2^243001120543 is an apocalyptic number.

243001120543 is a deficient number, since it is larger than the sum of its proper divisors (1).

243001120543 is an equidigital number, since it uses as much as digits as its factorization.

243001120543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 243001120543 its reverse (345021100342), we get a palindrome (588022220885).

The spelling of 243001120543 in words is "two hundred forty-three billion, one million, one hundred twenty thousand, five hundred forty-three".