1244304023 has 4 divisors (see below), whose sum is σ = 1246538520. Its totient is φ = 1242069528.

The previous prime is 1244303959. The next prime is 1244304037. The reversal of 1244304023 is 3204034421.

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

It is a cyclic number.

It is not a de Polignac number, because 1244304023 - 2⁶ = 1244303959 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 1244304023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244304223) 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, 1116413 + ... + 1117526.

It is an arithmetic number, because the mean of its divisors is an integer number (311634630).

Almost surely, 2^1244304023 is an apocalyptic number.

1244304023 is a deficient number, since it is larger than the sum of its proper divisors (2234497).

1244304023 is an equidigital number, since it uses as much as digits as its factorization.

1244304023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234496.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1244304023 is about 35274.6938044826. The cubic root of 1244304023 is about 1075.5786386884.

Adding to 1244304023 its reverse (3204034421), we get a palindrome (4448338444).

The spelling of 1244304023 in words is "one billion, two hundred forty-four million, three hundred four thousand, twenty-three".