1423144105 has 4 divisors (see below), whose sum is σ = 1707772932. Its totient is φ = 1138515280.

The previous prime is 1423144097. The next prime is 1423144111. The reversal of 1423144105 is 5014413241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1039611049 + 383533056 = 32243^2 + 19584^2 .

It is not a de Polignac number, because 1423144105 - 2³ = 1423144097 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 1423144105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142314406 + ... + 142314415.

It is an arithmetic number, because the mean of its divisors is an integer number (426943233).

Almost surely, 2^1423144105 is an apocalyptic number.

It is an amenable number.

1423144105 is a deficient number, since it is larger than the sum of its proper divisors (284628827).

1423144105 is an equidigital number, since it uses as much as digits as its factorization.

1423144105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284628826.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1423144105 is about 37724.5822375808. The cubic root of 1423144105 is about 1124.8198177275.

Adding to 1423144105 its reverse (5014413241), we get a palindrome (6437557346).

It can be divided in two parts, 1423144 and 105, that added together give a square (1423249 = 1193²).

The spelling of 1423144105 in words is "one billion, four hundred twenty-three million, one hundred forty-four thousand, one hundred five".