1201144120023 has 8 divisors (see below), whose sum is σ = 1603905177328. Its totient is φ = 799572904704.

The previous prime is 1201144120003. The next prime is 1201144120123. The reversal of 1201144120023 is 3200214411021.

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

It is not a de Polignac number, because 1201144120023 - 2²⁵ = 1201110565591 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 (1201144120003) 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, 297458140 + ... + 297462177.

It is an arithmetic number, because the mean of its divisors is an integer number (200488147166).

Almost surely, 2^{1201144120023} is an apocalyptic number.

1201144120023 is a deficient number, since it is larger than the sum of its proper divisors (402761057305).

1201144120023 is an equidigital number, since it uses as much as digits as its factorization.

1201144120023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594920993.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1201144120023 its reverse (3200214411021), we get a palindrome (4401358531044).

The spelling of 1201144120023 in words is "one trillion, two hundred one billion, one hundred forty-four million, one hundred twenty thousand, twenty-three".