2142203 has 4 divisors (see below), whose sum is σ = 2448240. Its totient is φ = 1836168.

The previous prime is 2142181. The next prime is 2142211. The reversal of 2142203 is 3022412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2142203 - 2⁸ = 2141947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153008 + ... + 153021.

It is an arithmetic number, because the mean of its divisors is an integer number (612060).

2^2142203 is an apocalyptic number.

2142203 is a deficient number, since it is larger than the sum of its proper divisors (306037).

2142203 is an equidigital number, since it uses as much as digits as its factorization.

2142203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306036.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2142203 is about 1463.6266600469. The cubic root of 2142203 is about 128.9100789521.

Adding to 2142203 its reverse (3022412), we get a palindrome (5164615).

It can be divided in two parts, 21 and 42203, that added together give a palindrome (42224).

The spelling of 2142203 in words is "two million, one hundred forty-two thousand, two hundred three".