2043040120023 has 24 divisors (see below), whose sum is σ = 3168856445040. Its totient is φ = 1167429567360.

The previous prime is 2043040119971. The next prime is 2043040120039. The reversal of 2043040120023 is 3200210403402.

It is not a de Polignac number, because 2043040120023 - 2⁸ = 2043040119767 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043040120223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10856593 + ... + 11043173.

It is an arithmetic number, because the mean of its divisors is an integer number (132035685210).

Almost surely, 2^{2043040120023} is an apocalyptic number.

2043040120023 is a deficient number, since it is larger than the sum of its proper divisors (1125816325017).

2043040120023 is a wasteful number, since it uses less digits than its factorization.

2043040120023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261087 (or 261080 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 2043040120023 its reverse (3200210403402), we get a palindrome (5243250523425).

The spelling of 2043040120023 in words is "two trillion, forty-three billion, forty million, one hundred twenty thousand, twenty-three".