43301142243 has 24 divisors (see below), whose sum is σ = 64891883056. Its totient is φ = 28854403200.

The previous prime is 43301142197. The next prime is 43301142263. The reversal of 43301142243 is 34224110334.

43301142243 is a `hidden beast` number, since 433 + 0 + 1 + 1 + 4 + 224 + 3 = 666.

It is not a de Polignac number, because 43301142243 - 2¹⁸ = 43300880099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43301142263) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 515223 + ... + 593343.

Almost surely, 2^43301142243 is an apocalyptic number.

43301142243 is a deficient number, since it is larger than the sum of its proper divisors (21590740813).

43301142243 is an equidigital number, since it uses as much as digits as its factorization.

43301142243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80417 (or 80405 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 43301142243 its reverse (34224110334), we get a palindrome (77525252577).

The spelling of 43301142243 in words is "forty-three billion, three hundred one million, one hundred forty-two thousand, two hundred forty-three".