2143240103 has 8 divisors (see below), whose sum is σ = 2155639536. Its totient is φ = 2130854400.

The previous prime is 2143240097. The next prime is 2143240111. The reversal of 2143240103 is 3010423412.

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-2143240103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143240003) 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, 612188 + ... + 615678.

It is an arithmetic number, because the mean of its divisors is an integer number (269454942).

Almost surely, 2^2143240103 is an apocalyptic number.

2143240103 is a deficient number, since it is larger than the sum of its proper divisors (12399433).

2143240103 is a wasteful number, since it uses less digits than its factorization.

2143240103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6865.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2143240103 is about 46295.1412461394. The cubic root of 2143240103 is about 1289.3087863983.

Adding to 2143240103 its reverse (3010423412), we get a palindrome (5153663515).

The spelling of 2143240103 in words is "two billion, one hundred forty-three million, two hundred forty thousand, one hundred three".