2143242503 has 8 divisors (see below), whose sum is σ = 2293030320. Its totient is φ = 1997153280.

The previous prime is 2143242473. The next prime is 2143242527. The reversal of 2143242503 is 3052423412.

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

It is a cyclic number.

It is not a de Polignac number, because 2143242503 - 2⁸ = 2143242247 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 (2143242583) 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, 923450 + ... + 925767.

It is an arithmetic number, because the mean of its divisors is an integer number (286628790).

Almost surely, 2^2143242503 is an apocalyptic number.

2143242503 is a deficient number, since it is larger than the sum of its proper divisors (149787817).

2143242503 is a wasteful number, since it uses less digits than its factorization.

2143242503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1849297.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 2143242503 is about 46295.1671667789. The cubic root of 2143242503 is about 1289.3092676540.

Adding to 2143242503 its reverse (3052423412), we get a palindrome (5195665915).

The spelling of 2143242503 in words is "two billion, one hundred forty-three million, two hundred forty-two thousand, five hundred three".