5581323 has 12 divisors (see below), whose sum is σ = 8794968. Its totient is φ = 3382560.

The previous prime is 5581313. The next prime is 5581337. The reversal of 5581323 is 3231855.

It is not a de Polignac number, because 5581323 - 2⁶ = 5581259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5581313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28090 + ... + 28287.

It is an arithmetic number, because the mean of its divisors is an integer number (732914).

Almost surely, 2^5581323 is an apocalyptic number.

5581323 is a deficient number, since it is larger than the sum of its proper divisors (3213645).

5581323 is a wasteful number, since it uses less digits than its factorization.

5581323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56394 (or 56391 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 5581323 is about 2362.4823808867. The cubic root of 5581323 is about 177.3831592359.

It can be divided in two parts, 558 and 1323, that added together give a palindrome (1881).

The spelling of 5581323 in words is "five million, five hundred eighty-one thousand, three hundred twenty-three".