4023745543 has 8 divisors (see below), whose sum is σ = 4093804800. Its totient is φ = 3953748408.

The previous prime is 4023745519. The next prime is 4023745553. The reversal of 4023745543 is 3455473204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4023745543 - 2²¹ = 4021648391 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 (4023745553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126288 + ... + 154906.

It is an arithmetic number, because the mean of its divisors is an integer number (511725600).

Almost surely, 2^4023745543 is an apocalyptic number.

4023745543 is a deficient number, since it is larger than the sum of its proper divisors (70059257).

4023745543 is a wasteful number, since it uses less digits than its factorization.

4023745543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31061.

The product of its (nonzero) digits is 201600, while the sum is 37.

The square root of 4023745543 is about 63433.0004256460. Note that the first 3 decimals coincide. The cubic root of 4023745543 is about 1590.5359983720.

The spelling of 4023745543 in words is "four billion, twenty-three million, seven hundred forty-five thousand, five hundred forty-three".