1312323 has 16 divisors (see below), whose sum is σ = 1837056. Its totient is φ = 832320.
The previous prime is 1312319. The next prime is 1312331. The reversal of 1312323 is 3232131.
It is not a de Polignac number, because 1312323 - 22 = 1312319 is a prime.
It is an Ulam number.
1312323 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (1312303) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9511 + ... + 9647.
It is an arithmetic number, because the mean of its divisors is an integer number (114816).
21312323 is an apocalyptic number.
1312323 is a deficient number, since it is larger than the sum of its proper divisors (524733).
1312323 is a wasteful number, since it uses less digits than its factorization.
1312323 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 274.
The product of its digits is 108, while the sum is 15.
The square root of 1312323 is about 1145.5666720012. The cubic root of 1312323 is about 109.4830565306.
Adding to 1312323 its reverse (3232131), we get a palindrome (4544454).
The spelling of 1312323 in words is "one million, three hundred twelve thousand, three hundred twenty-three".
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