43140120803 has 24 divisors (see below), whose sum is σ = 47007795600. Its totient is φ = 39571818624.

The previous prime is 43140120797. The next prime is 43140120811. The reversal of 43140120803 is 30802104134.

It is a Cunningham number, because it is equal to 207702²-1.

It is not a de Polignac number, because 43140120803 - 2¹⁰ = 43140119779 is a prime.

It is a super-2 number, since 2×43140120803² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43140120823) 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, 35101193 + ... + 35102421.

It is an arithmetic number, because the mean of its divisors is an integer number (1958658150).

Almost surely, 2^43140120803 is an apocalyptic number.

43140120803 is a deficient number, since it is larger than the sum of its proper divisors (3867674797).

43140120803 is a wasteful number, since it uses less digits than its factorization.

43140120803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2391 (or 2378 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 43140120803 its reverse (30802104134), we get a palindrome (73942224937).

The spelling of 43140120803 in words is "forty-three billion, one hundred forty million, one hundred twenty thousand, eight hundred three".