2140020340423 has 48 divisors (see below), whose sum is σ = 2539039606272. Its totient is φ = 1765596830400.

The previous prime is 2140020340391. The next prime is 2140020340441. The reversal of 2140020340423 is 3240430200412.

It is a happy number.

It is not a de Polignac number, because 2140020340423 - 2⁵ = 2140020340391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140020340723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2075673918 + ... + 2075674948.

It is an arithmetic number, because the mean of its divisors is an integer number (52896658464).

Almost surely, 2^{2140020340423} is an apocalyptic number.

2140020340423 is a deficient number, since it is larger than the sum of its proper divisors (399019265849).

2140020340423 is a wasteful number, since it uses less digits than its factorization.

2140020340423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804 (or 1673 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 2140020340423 its reverse (3240430200412), we get a palindrome (5380450540835).

The spelling of 2140020340423 in words is "two trillion, one hundred forty billion, twenty million, three hundred forty thousand, four hundred twenty-three".