5138323 has 4 divisors (see below), whose sum is σ = 5145640. Its totient is φ = 5131008.

The previous prime is 5138321. The next prime is 5138333. The reversal of 5138323 is 3238315.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3238315 = 5 ⋅647663.

It is a cyclic number.

It is not a de Polignac number, because 5138323 - 2¹ = 5138321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5138321) 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, 2478 + ... + 4051.

It is an arithmetic number, because the mean of its divisors is an integer number (1286410).

Almost surely, 2^5138323 is an apocalyptic number.

5138323 is a deficient number, since it is larger than the sum of its proper divisors (7317).

5138323 is an equidigital number, since it uses as much as digits as its factorization.

5138323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7316.

The product of its digits is 2160, while the sum is 25.

The square root of 5138323 is about 2266.7869330839. The cubic root of 5138323 is about 172.5601330646.

It can be divided in two parts, 513 and 8323, that added together give a square (8836 = 94²).

The spelling of 5138323 in words is "five million, one hundred thirty-eight thousand, three hundred twenty-three".