2142303 has 8 divisors (see below), whose sum is σ = 2923008. Its totient is φ = 1394904.

The previous prime is 2142299. The next prime is 2142341. The reversal of 2142303 is 3032412.

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

It is not a de Polignac number, because 2142303 - 2² = 2142299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142353) 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, 8175 + ... + 8432.

It is an arithmetic number, because the mean of its divisors is an integer number (365376).

2^2142303 is an apocalyptic number.

2142303 is a deficient number, since it is larger than the sum of its proper divisors (780705).

2142303 is a wasteful number, since it uses less digits than its factorization.

2142303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16653.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2142303 is about 1463.6608213654. The cubic root of 2142303 is about 128.9120848011.

Adding to 2142303 its reverse (3032412), we get a palindrome (5174715).

It can be divided in two parts, 21 and 42303, that added together give a palindrome (42324).

The spelling of 2142303 in words is "two million, one hundred forty-two thousand, three hundred three".