1144032023021 has 4 divisors (see below), whose sum is σ = 1144104404700. Its totient is φ = 1143959641344.

The previous prime is 1144032023011. The next prime is 1144032023023. The reversal of 1144032023021 is 1203202304411.

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

It can be written as a sum of positive squares in 2 ways, for example, as 152872398121 + 991159624900 = 390989^2 + 995570^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144032023021 - 2³⁴ = 1126852153837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144032023023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36167126 + ... + 36198743.

It is an arithmetic number, because the mean of its divisors is an integer number (286026101175).

Almost surely, 2^{1144032023021} is an apocalyptic number.

It is an amenable number.

1144032023021 is a deficient number, since it is larger than the sum of its proper divisors (72381679).

1144032023021 is an equidigital number, since it uses as much as digits as its factorization.

1144032023021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72381678.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1144032023021 its reverse (1203202304411), we get a palindrome (2347234327432).

The spelling of 1144032023021 in words is "one trillion, one hundred forty-four billion, thirty-two million, twenty-three thousand, twenty-one".