1201140284423 has 2 divisors, whose sum is σ = 1201140284424. Its totient is φ = 1201140284422.

The previous prime is 1201140284401. The next prime is 1201140284429. The reversal of 1201140284423 is 3244820411021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1201140284423 - 2¹⁴ = 1201140268039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1201140284423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201140284429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600570142211 + 600570142212.

It is an arithmetic number, because the mean of its divisors is an integer number (600570142212).

Almost surely, 2^{1201140284423} is an apocalyptic number.

1201140284423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201140284423 is an equidigital number, since it uses as much as digits as its factorization.

1201140284423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12288, while the sum is 32.

Adding to 1201140284423 its reverse (3244820411021), we get a palindrome (4445960695444).

The spelling of 1201140284423 in words is "one trillion, two hundred one billion, one hundred forty million, two hundred eighty-four thousand, four hundred twenty-three".