1244023420311 has 40 divisors (see below), whose sum is σ = 2181236391840. Its totient is φ = 691657797312.

The previous prime is 1244023420279. The next prime is 1244023420313. The reversal of 1244023420311 is 1130243204421.

1244023420311 is a `hidden beast` number, since 1 + 2 + 4 + 4 + 0 + 2 + 342 + 0 + 311 = 666.

It is not a de Polignac number, because 1244023420311 - 2⁵ = 1244023420279 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244023420313) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 29628276 + ... + 29670233.

It is an arithmetic number, because the mean of its divisors is an integer number (54530909796).

Almost surely, 2^{1244023420311} is an apocalyptic number.

1244023420311 is a deficient number, since it is larger than the sum of its proper divisors (937212971529).

1244023420311 is an equidigital number, since it uses as much as digits as its factorization.

1244023420311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59298565 (or 59298556 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1244023420311 its reverse (1130243204421), we get a palindrome (2374266624732).

The spelling of 1244023420311 in words is "one trillion, two hundred forty-four billion, twenty-three million, four hundred twenty thousand, three hundred eleven".