1244023113 has 8 divisors (see below), whose sum is σ = 1659331008. Its totient is φ = 829031984.

The previous prime is 1244023097. The next prime is 1244023133. The reversal of 1244023113 is 3113204421.

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 1244023113 - 2⁴ = 1244023097 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1244023113.

It is not an unprimeable number, because it can be changed into a prime (1244023133) 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, 69870 + ... + 85847.

It is an arithmetic number, because the mean of its divisors is an integer number (207416376).

Almost surely, 2^1244023113 is an apocalyptic number.

It is an amenable number.

1244023113 is a deficient number, since it is larger than the sum of its proper divisors (415307895).

1244023113 is a wasteful number, since it uses less digits than its factorization.

1244023113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158383.

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

The square root of 1244023113 is about 35270.7118300723. The cubic root of 1244023113 is about 1075.4976928934.

Adding to 1244023113 its reverse (3113204421), we get a palindrome (4357227534).

It can be divided in two parts, 12440 and 23113, that added together give a palindrome (35553).

The spelling of 1244023113 in words is "one billion, two hundred forty-four million, twenty-three thousand, one hundred thirteen".