2478423 has 8 divisors (see below), whose sum is σ = 3350128. Its totient is φ = 1629504.

The previous prime is 2478407. The next prime is 2478449. The reversal of 2478423 is 3248742.

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

It is not a de Polignac number, because 2478423 - 2⁴ = 2478407 is a prime.

It is a super-2 number, since 2×2478423² = 12285161133858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2478403) 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, 5440 + ... + 5877.

It is an arithmetic number, because the mean of its divisors is an integer number (418766).

2^2478423 is an apocalyptic number.

2478423 is a deficient number, since it is larger than the sum of its proper divisors (871705).

2478423 is a wasteful number, since it uses less digits than its factorization.

2478423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11393.

The product of its digits is 10752, while the sum is 30.

The square root of 2478423 is about 1574.3007971795. The cubic root of 2478423 is about 135.3292921591.

The spelling of 2478423 in words is "two million, four hundred seventy-eight thousand, four hundred twenty-three".