43023124243243 has 4 divisors (see below), whose sum is σ = 43023141210168. Its totient is φ = 43023107276320.

The previous prime is 43023124243189. The next prime is 43023124243271. The reversal of 43023124243243 is 34234242132034.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43023124243243 - 2³³ = 43014534308651 is a prime.

It is a super-2 number, since 2×43023124243243² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43023124243283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3828493 + ... + 10035118.

It is an arithmetic number, because the mean of its divisors is an integer number (10755785302542).

Almost surely, 2^{43023124243243} is an apocalyptic number.

43023124243243 is a deficient number, since it is larger than the sum of its proper divisors (16966925).

43023124243243 is a wasteful number, since it uses less digits than its factorization.

43023124243243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16966924.

The product of its (nonzero) digits is 331776, while the sum is 37.

Adding to 43023124243243 its reverse (34234242132034), we get a palindrome (77257366375277).

The spelling of 43023124243243 in words is "forty-three trillion, twenty-three billion, one hundred twenty-four million, two hundred forty-three thousand, two hundred forty-three".