1423415 has 16 divisors (see below), whose sum is σ = 1984512. Its totient is φ = 959904.

The previous prime is 1423403. The next prime is 1423417. The reversal of 1423415 is 5143241.

It is a cyclic number.

It is not a de Polignac number, because 1423415 - 2⁴ = 1423399 is a prime.

It is a super-2 number, since 2×1423415² = 4052220524450, 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 (1423417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2042 + ... + 2648.

It is an arithmetic number, because the mean of its divisors is an integer number (124032).

2^1423415 is an apocalyptic number.

1423415 is a deficient number, since it is larger than the sum of its proper divisors (561097).

1423415 is an equidigital number, since it uses as much as digits as its factorization.

1423415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686.

The product of its digits is 480, while the sum is 20.

The square root of 1423415 is about 1193.0695704778. The cubic root of 1423415 is about 112.4891182890.

Adding to 1423415 its reverse (5143241), we get a palindrome (6566656).

The spelling of 1423415 in words is "one million, four hundred twenty-three thousand, four hundred fifteen".