2138323 has 8 divisors (see below), whose sum is σ = 2343600. Its totient is φ = 1934880.

The previous prime is 2138321. The next prime is 2138327. The reversal of 2138323 is 3238312.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2138323 - 2¹ = 2138321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2138294 and 2138303.

It is not an unprimeable number, because it can be changed into a prime (2138321) 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, 3561 + ... + 4117.

It is an arithmetic number, because the mean of its divisors is an integer number (292950).

2^2138323 is an apocalyptic number.

2138323 is a deficient number, since it is larger than the sum of its proper divisors (205277).

2138323 is a wasteful number, since it uses less digits than its factorization.

2138323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917.

The product of its digits is 864, while the sum is 22.

The square root of 2138323 is about 1462.3005846952. The cubic root of 2138323 is about 128.8322037641.

The spelling of 2138323 in words is "two million, one hundred thirty-eight thousand, three hundred twenty-three".