1337823 has 8 divisors (see below), whose sum is σ = 1982000. Its totient is φ = 891864.

The previous prime is 1337813. The next prime is 1337851. The reversal of 1337823 is 3287331.

It is not a de Polignac number, because 1337823 - 2¹⁰ = 1336799 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 49549 = 1337823 / (1 + 3 + 3 + 7 + 8 + 2 + 3).

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1337803) 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 7 ways as a sum of consecutive naturals, for example, 24748 + ... + 24801.

It is an arithmetic number, because the mean of its divisors is an integer number (247750).

2^1337823 is an apocalyptic number.

1337823 is a deficient number, since it is larger than the sum of its proper divisors (644177).

1337823 is an equidigital number, since it uses as much as digits as its factorization.

1337823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49558 (or 49552 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 1337823 is about 1156.6429872696. The cubic root of 1337823 is about 110.1876411668.

The spelling of 1337823 in words is "one million, three hundred thirty-seven thousand, eight hundred twenty-three".