1244013023 has 8 divisors (see below), whose sum is σ = 1357361280. Its totient is φ = 1130707480.

The previous prime is 1244013013. The next prime is 1244013031. The reversal of 1244013023 is 3203104421.

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 1244013023 - 2¹⁰ = 1244011999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1244012986 and 1244013004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244013013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101648 + ... + 113226.

It is an arithmetic number, because the mean of its divisors is an integer number (169670160).

Almost surely, 2^1244013023 is an apocalyptic number.

1244013023 is a deficient number, since it is larger than the sum of its proper divisors (113348257).

1244013023 is a wasteful number, since it uses less digits than its factorization.

1244013023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21357.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1244013023 is about 35270.5687932588. The cubic root of 1244013023 is about 1075.4947851766.

Adding to 1244013023 its reverse (3203104421), we get a palindrome (4447117444).

The spelling of 1244013023 in words is "one billion, two hundred forty-four million, thirteen thousand, twenty-three".