1203401234343 has 64 divisors (see below), whose sum is σ = 2040359731200. Its totient is φ = 612788492160.

The previous prime is 1203401234341. The next prime is 1203401234363. The reversal of 1203401234343 is 3434321043021.

It is a happy number.

It is not a de Polignac number, because 1203401234343 - 2¹ = 1203401234341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1203401234343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203401234341) 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 in 63 ways as a sum of consecutive naturals, for example, 2299405 + ... + 2773817.

It is an arithmetic number, because the mean of its divisors is an integer number (31880620800).

Almost surely, 2^{1203401234343} is an apocalyptic number.

1203401234343 is a deficient number, since it is larger than the sum of its proper divisors (836958496857).

1203401234343 is a wasteful number, since it uses less digits than its factorization.

1203401234343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474652.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 1203401234343 its reverse (3434321043021), we get a palindrome (4637722277364).

The spelling of 1203401234343 in words is "one trillion, two hundred three billion, four hundred one million, two hundred thirty-four thousand, three hundred forty-three".