1423465 has 8 divisors (see below), whose sum is σ = 1767240. Its totient is φ = 1099392.

The previous prime is 1423463. The next prime is 1423469. The reversal of 1423465 is 5643241.

It can be written as a sum of positive squares in 4 ways, for example, as 571536 + 851929 = 756^2 + 923^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1423465 - 2¹ = 1423463 is a prime.

1423465 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1423463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4764 + ... + 5053.

It is an arithmetic number, because the mean of its divisors is an integer number (220905).

2^1423465 is an apocalyptic number.

It is an amenable number.

1423465 is a deficient number, since it is larger than the sum of its proper divisors (343775).

1423465 is an equidigital number, since it uses as much as digits as its factorization.

1423465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9851.

The product of its digits is 2880, while the sum is 25.

The square root of 1423465 is about 1193.0905246460. The cubic root of 1423465 is about 112.4904354008.

The spelling of 1423465 in words is "one million, four hundred twenty-three thousand, four hundred sixty-five".