3121323 has 8 divisors (see below), whose sum is σ = 4182336. Its totient is φ = 2070600.

The previous prime is 3121303. The next prime is 3121333. The reversal of 3121323 is 3231213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3121323 - 2⁵ = 3121291 is a prime.

3121323 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3121303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1833 + ... + 3098.

It is an arithmetic number, because the mean of its divisors is an integer number (522792).

Almost surely, 2^3121323 is an apocalyptic number.

3121323 is a deficient number, since it is larger than the sum of its proper divisors (1061013).

3121323 is a wasteful number, since it uses less digits than its factorization.

3121323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5145.

The product of its digits is 108, while the sum is 15.

The square root of 3121323 is about 1766.7266342024. The cubic root of 3121323 is about 146.1435224685.

Adding to 3121323 its reverse (3231213), we get a palindrome (6352536).

It can be divided in two parts, 312132 and 3, that multiplied together give a triangular number (936396 = T₁₃₆₈).

The spelling of 3121323 in words is "three million, one hundred twenty-one thousand, three hundred twenty-three".