1504423 has 4 divisors (see below), whose sum is σ = 1536480. Its totient is φ = 1472368.

The previous prime is 1504421. The next prime is 1504429. The reversal of 1504423 is 3244051.

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 1504423 - 2¹ = 1504421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1504423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1504421) 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, 15958 + ... + 16051.

It is an arithmetic number, because the mean of its divisors is an integer number (384120).

2^1504423 is an apocalyptic number.

1504423 is a deficient number, since it is larger than the sum of its proper divisors (32057).

1504423 is an equidigital number, since it uses as much as digits as its factorization.

1504423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32056.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1504423 is about 1226.5492244504. The cubic root of 1504423 is about 114.5838265397.

Adding to 1504423 its reverse (3244051), we get a palindrome (4748474).

The spelling of 1504423 in words is "one million, five hundred four thousand, four hundred twenty-three".