2043140123023 has 12 divisors (see below), whose sum is σ = 2176121276440. Its totient is φ = 1917881546112.

The previous prime is 2043140122987. The next prime is 2043140123033. The reversal of 2043140123023 is 3203210413402.

It is a de Polignac number, because none of the positive numbers 2^k-2043140123023 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 (2043140123033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9217236 + ... + 9436297.

Almost surely, 2^{2043140123023} is an apocalyptic number.

2043140123023 is a deficient number, since it is larger than the sum of its proper divisors (132981153417).

2043140123023 is a wasteful number, since it uses less digits than its factorization.

2043140123023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18653946 (or 18653929 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 2043140123023 its reverse (3203210413402), we get a palindrome (5246350536425).

The spelling of 2043140123023 in words is "two trillion, forty-three billion, one hundred forty million, one hundred twenty-three thousand, twenty-three".