2132403 has 32 divisors (see below), whose sum is σ = 3580416. Its totient is φ = 1099008.

The previous prime is 2132401. The next prime is 2132407. The reversal of 2132403 is 3042312.

It is not a de Polignac number, because 2132403 - 2¹ = 2132401 is a prime.

It is a d-powerful number, because it can be written as 2¹⁵ + 1 + 3⁶ + 2²¹ + 4⁵ + 0 + 3⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2132401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19876 + ... + 19982.

It is an arithmetic number, because the mean of its divisors is an integer number (111888).

2^2132403 is an apocalyptic number.

2132403 is a deficient number, since it is larger than the sum of its proper divisors (1448013).

2132403 is a wasteful number, since it uses less digits than its factorization.

2132403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203.

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

The square root of 2132403 is about 1460.2749741059. The cubic root of 2132403 is about 128.7132021649.

Adding to 2132403 its reverse (3042312), we get a palindrome (5174715).

Subtracting 2132403 from its reverse (3042312), we obtain a palindrome (909909).

The spelling of 2132403 in words is "two million, one hundred thirty-two thousand, four hundred three".