1423425 has 12 divisors (see below), whose sum is σ = 2353520. Its totient is φ = 759120.

The previous prime is 1423417. The next prime is 1423439. The reversal of 1423425 is 5243241.

It is not a de Polignac number, because 1423425 - 2³ = 1423417 is a prime.

It is a super-2 number, since 2×1423425² = 4052277461250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9415 + ... + 9564.

2^1423425 is an apocalyptic number.

1423425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1423425 is a deficient number, since it is larger than the sum of its proper divisors (930095).

1423425 is a wasteful number, since it uses less digits than its factorization.

1423425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18992 (or 18987 counting only the distinct ones).

The product of its digits is 960, while the sum is 21.

The square root of 1423425 is about 1193.0737613408. The cubic root of 1423425 is about 112.4893817139.

Adding to 1423425 its reverse (5243241), we get a palindrome (6666666).

The spelling of 1423425 in words is "one million, four hundred twenty-three thousand, four hundred twenty-five".