3138323 has 4 divisors (see below), whose sum is σ = 3149328. Its totient is φ = 3127320.

The previous prime is 3138299. The next prime is 3138329. The reversal of 3138323 is 3238313.

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 3138323 - 2⁸ = 3138067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3138329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5063 + ... + 5648.

It is an arithmetic number, because the mean of its divisors is an integer number (787332).

Almost surely, 2^3138323 is an apocalyptic number.

3138323 is a deficient number, since it is larger than the sum of its proper divisors (11005).

3138323 is a wasteful number, since it uses less digits than its factorization.

3138323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11004.

The product of its digits is 1296, while the sum is 23.

The square root of 3138323 is about 1771.5312585444. The cubic root of 3138323 is about 146.4083613477.

The spelling of 3138323 in words is "three million, one hundred thirty-eight thousand, three hundred twenty-three".