1441623 has 4 divisors (see below), whose sum is σ = 1922168. Its totient is φ = 961080.

The previous prime is 1441603. The next prime is 1441633. The reversal of 1441623 is 3261441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3261441 = 3 ⋅1087147.

It is not a de Polignac number, because 1441623 - 2⁵ = 1441591 is a prime.

It is a D-number.

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 1441623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1441603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240268 + ... + 240273.

It is an arithmetic number, because the mean of its divisors is an integer number (480542).

2^1441623 is an apocalyptic number.

1441623 is a deficient number, since it is larger than the sum of its proper divisors (480545).

1441623 is an equidigital number, since it uses as much as digits as its factorization.

1441623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480544.

The product of its digits is 576, while the sum is 21.

The square root of 1441623 is about 1200.6760595598. The cubic root of 1441623 is about 112.9667325778.

The spelling of 1441623 in words is "one million, four hundred forty-one thousand, six hundred twenty-three".