2103240043 has 8 divisors (see below), whose sum is σ = 2191380480. Its totient is φ = 2016368040.

The previous prime is 2103240023. The next prime is 2103240049. The reversal of 2103240043 is 3400423012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2103240043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2103240043.

It is not an unprimeable number, because it can be changed into a prime (2103240049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313723 + ... + 320356.

It is an arithmetic number, because the mean of its divisors is an integer number (273922560).

Almost surely, 2^2103240043 is an apocalyptic number.

2103240043 is a deficient number, since it is larger than the sum of its proper divisors (88140437).

2103240043 is a wasteful number, since it uses less digits than its factorization.

2103240043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634217.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2103240043 is about 45861.0950915915. The cubic root of 2103240043 is about 1281.2374188794.

Adding to 2103240043 its reverse (3400423012), we get a palindrome (5503663055).

It can be divided in two parts, 21032 and 40043, that added together give a triangular number (61075 = T₃₄₉).

The spelling of 2103240043 in words is "two billion, one hundred three million, two hundred forty thousand, forty-three".