1201132423143 has 12 divisors (see below), whose sum is σ = 1734982413840. Its totient is φ = 800748783456.

The previous prime is 1201132423111. The next prime is 1201132423163. The reversal of 1201132423143 is 3413242311021.

1201132423143 is a `hidden beast` number, since 1 + 20 + 1 + 1 + 324 + 2 + 314 + 3 = 666.

It is not a de Polignac number, because 1201132423143 - 2⁵ = 1201132423111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201132423163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 935155 + ... + 1810187.

It is an arithmetic number, because the mean of its divisors is an integer number (144581867820).

Almost surely, 2^{1201132423143} is an apocalyptic number.

1201132423143 is a deficient number, since it is larger than the sum of its proper divisors (533849990697).

1201132423143 is a wasteful number, since it uses less digits than its factorization.

1201132423143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027558 (or 1027555 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 1201132423143 its reverse (3413242311021), we get a palindrome (4614374734164).

The spelling of 1201132423143 in words is "one trillion, two hundred one billion, one hundred thirty-two million, four hundred twenty-three thousand, one hundred forty-three".