1423340441 has 4 divisors (see below), whose sum is σ = 1485224832. Its totient is φ = 1361456052.

The previous prime is 1423340431. The next prime is 1423340449. The reversal of 1423340441 is 1440433241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1423340441 - 2¹⁰ = 1423339417 is a prime.

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 1423340441.

It is not an unprimeable number, because it can be changed into a prime (1423340449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30942161 + ... + 30942206.

It is an arithmetic number, because the mean of its divisors is an integer number (371306208).

Almost surely, 2^1423340441 is an apocalyptic number.

It is an amenable number.

1423340441 is a deficient number, since it is larger than the sum of its proper divisors (61884391).

1423340441 is an equidigital number, since it uses as much as digits as its factorization.

1423340441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61884390.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1423340441 is about 37727.1843767859. The cubic root of 1423340441 is about 1124.8715418099.

Adding to 1423340441 its reverse (1440433241), we get a palindrome (2863773682).

The spelling of 1423340441 in words is "one billion, four hundred twenty-three million, three hundred forty thousand, four hundred forty-one".