2031323 has 4 divisors (see below), whose sum is σ = 2321520. Its totient is φ = 1741128.

The previous prime is 2031319. The next prime is 2031353. The reversal of 2031323 is 3231302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3231302 = 2 ⋅1615651.

It is a cyclic number.

It is not a de Polignac number, because 2031323 - 2² = 2031319 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2031298 and 2031307.

It is not an unprimeable number, because it can be changed into a prime (2031353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145088 + ... + 145101.

It is an arithmetic number, because the mean of its divisors is an integer number (580380).

2^2031323 is an apocalyptic number.

2031323 is a deficient number, since it is larger than the sum of its proper divisors (290197).

2031323 is an equidigital number, since it uses as much as digits as its factorization.

2031323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290196.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 2031323 is about 1425.2448912380. The cubic root of 2031323 is about 126.6464426006.

Adding to 2031323 its reverse (3231302), we get a palindrome (5262625).

The spelling of 2031323 in words is "two million, thirty-one thousand, three hundred twenty-three".