43403763942343 has 16 divisors (see below), whose sum is σ = 49683210442560. Its totient is φ = 37144063547136.

The previous prime is 43403763942293. The next prime is 43403763942367. The reversal of 43403763942343 is 34324936730434.

It is not a de Polignac number, because 43403763942343 - 2²⁹ = 43403227071431 is a prime.

It is a super-2 number, since 2×43403763942343² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43403763442343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26874171 + ... + 28443427.

It is an arithmetic number, because the mean of its divisors is an integer number (3105200652660).

Almost surely, 2^{43403763942343} is an apocalyptic number.

43403763942343 is a deficient number, since it is larger than the sum of its proper divisors (6279446500217).

43403763942343 is a wasteful number, since it uses less digits than its factorization.

43403763942343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575546.

The product of its (nonzero) digits is 47029248, while the sum is 55.

The spelling of 43403763942343 in words is "forty-three trillion, four hundred three billion, seven hundred sixty-three million, nine hundred forty-two thousand, three hundred forty-three".