2140423043234 has 64 divisors (see below), whose sum is σ = 3811677004800. Its totient is φ = 881996387328.

The previous prime is 2140423043233. The next prime is 2140423043237. The reversal of 2140423043234 is 4323403240412.

It is a self number, because there is not a number n which added to its sum of digits gives 2140423043234.

It is not an unprimeable number, because it can be changed into a prime (2140423043233) 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, 414246119 + ... + 414251285.

It is an arithmetic number, because the mean of its divisors is an integer number (59557453200).

Almost surely, 2^{2140423043234} is an apocalyptic number.

2140423043234 is a deficient number, since it is larger than the sum of its proper divisors (1671253961566).

2140423043234 is a wasteful number, since it uses less digits than its factorization.

2140423043234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9267.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 2140423043234 its reverse (4323403240412), we get a palindrome (6463826283646).

The spelling of 2140423043234 in words is "two trillion, one hundred forty billion, four hundred twenty-three million, forty-three thousand, two hundred thirty-four".