5478923 has 4 divisors (see below), whose sum is σ = 5627040. Its totient is φ = 5330808.

The previous prime is 5478911. The next prime is 5478937. The reversal of 5478923 is 3298745.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5478923 - 2¹⁴ = 5462539 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5478223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74003 + ... + 74076.

It is an arithmetic number, because the mean of its divisors is an integer number (1406760).

Almost surely, 2^5478923 is an apocalyptic number.

5478923 is a deficient number, since it is larger than the sum of its proper divisors (148117).

5478923 is a wasteful number, since it uses less digits than its factorization.

5478923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148116.

The product of its digits is 60480, while the sum is 38.

The square root of 5478923 is about 2340.7099350411. The cubic root of 5478923 is about 176.2916458434.

The spelling of 5478923 in words is "five million, four hundred seventy-eight thousand, nine hundred twenty-three".