40043055340023 has 4 divisors (see below), whose sum is σ = 53390740453368. Its totient is φ = 26695370226680.

The previous prime is 40043055340021. The next prime is 40043055340049. The reversal of 40043055340023 is 32004355034004.

It is a happy number.

40043055340023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40043055340023 - 2¹ = 40043055340021 is a prime.

It is a super-2 number, since 2×40043055340023² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40043055340021) 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 3 ways as a sum of consecutive naturals, for example, 6673842556668 + ... + 6673842556673.

It is an arithmetic number, because the mean of its divisors is an integer number (13347685113342).

Almost surely, 2^{40043055340023} is an apocalyptic number.

40043055340023 is a deficient number, since it is larger than the sum of its proper divisors (13347685113345).

40043055340023 is a wasteful number, since it uses less digits than its factorization.

40043055340023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13347685113344.

The product of its (nonzero) digits is 86400, while the sum is 33.

The spelling of 40043055340023 in words is "forty trillion, forty-three billion, fifty-five million, three hundred forty thousand, twenty-three".