2140402334343 has 32 divisors (see below), whose sum is σ = 3607386349056. Its totient is φ = 1098489817728.

The previous prime is 2140402334251. The next prime is 2140402334351. The reversal of 2140402334343 is 3434332040412.

It is a happy number.

It is not a de Polignac number, because 2140402334343 - 2¹² = 2140402330247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140402334443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105939921 + ... + 105960122.

It is an arithmetic number, because the mean of its divisors is an integer number (112730823408).

Almost surely, 2^{2140402334343} is an apocalyptic number.

2140402334343 is a deficient number, since it is larger than the sum of its proper divisors (1466984014713).

2140402334343 is a wasteful number, since it uses less digits than its factorization.

2140402334343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211900103.

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 2140402334343 its reverse (3434332040412), we get a palindrome (5574734374755).

The spelling of 2140402334343 in words is "two trillion, one hundred forty billion, four hundred two million, three hundred thirty-four thousand, three hundred forty-three".