1144021240023 has 8 divisors (see below), whose sum is σ = 1527933935088. Its totient is φ = 761394685824.

The previous prime is 1144021239989. The next prime is 1144021240049. The reversal of 1144021240023 is 3200421204411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1144021240023 - 2²⁸ = 1143752804567 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1144021239975 and 1144021240002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144021240073) 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, 321533140 + ... + 321536697.

It is an arithmetic number, because the mean of its divisors is an integer number (190991741886).

Almost surely, 2^{1144021240023} is an apocalyptic number.

1144021240023 is a deficient number, since it is larger than the sum of its proper divisors (383912695065).

1144021240023 is an equidigital number, since it uses as much as digits as its factorization.

1144021240023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643070433.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1144021240023 its reverse (3200421204411), we get a palindrome (4344442444434).

The spelling of 1144021240023 in words is "one trillion, one hundred forty-four billion, twenty-one million, two hundred forty thousand, twenty-three".