1423725 has 24 divisors (see below), whose sum is σ = 2416512. Its totient is φ = 739200.

The previous prime is 1423717. The next prime is 1423753. The reversal of 1423725 is 5273241.

It is not a de Polignac number, because 1423725 - 2³ = 1423717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1423695 and 1423704.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2844 + ... + 3306.

It is an arithmetic number, because the mean of its divisors is an integer number (100688).

2^1423725 is an apocalyptic number.

1423725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1423725 is a deficient number, since it is larger than the sum of its proper divisors (992787).

1423725 is a wasteful number, since it uses less digits than its factorization.

1423725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517 (or 512 counting only the distinct ones).

The product of its digits is 1680, while the sum is 24.

The square root of 1423725 is about 1193.1994803888. The cubic root of 1423725 is about 112.4972838850.

Adding to 1423725 its reverse (5273241), we get a palindrome (6696966).

The spelling of 1423725 in words is "one million, four hundred twenty-three thousand, seven hundred twenty-five".