1234020011343 has 16 divisors (see below), whose sum is σ = 1881016373760. Its totient is φ = 704927444256.

The previous prime is 1234020011303. The next prime is 1234020011491. The reversal of 1234020011343 is 3431100204321.

It is a happy number.

It is not a de Polignac number, because 1234020011343 - 2⁹ = 1234020010831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234020011303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9385155 + ... + 9515732.

It is an arithmetic number, because the mean of its divisors is an integer number (117563523360).

Almost surely, 2^{1234020011343} is an apocalyptic number.

1234020011343 is a deficient number, since it is larger than the sum of its proper divisors (646996362417).

1234020011343 is a wasteful number, since it uses less digits than its factorization.

1234020011343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18904006.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1234020011343 its reverse (3431100204321), we get a palindrome (4665120215664).

The spelling of 1234020011343 in words is "one trillion, two hundred thirty-four billion, twenty million, eleven thousand, three hundred forty-three".