2103423 has 24 divisors (see below), whose sum is σ = 3351600. Its totient is φ = 1169280.

The previous prime is 2103407. The next prime is 2103449. The reversal of 2103423 is 3243012.

It is not a de Polignac number, because 2103423 - 2⁴ = 2103407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5853 + ... + 6201.

It is an arithmetic number, because the mean of its divisors is an integer number (139650).

2^2103423 is an apocalyptic number.

2103423 is a deficient number, since it is larger than the sum of its proper divisors (1248177).

2103423 is a wasteful number, since it uses less digits than its factorization.

2103423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407 (or 400 counting only the distinct ones).

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

The square root of 2103423 is about 1450.3182409389. The cubic root of 2103423 is about 128.1274568635.

Adding to 2103423 its reverse (3243012), we get a palindrome (5346435).

The spelling of 2103423 in words is "two million, one hundred three thousand, four hundred twenty-three".