4023544541 has 2 divisors, whose sum is σ = 4023544542. Its totient is φ = 4023544540.

The previous prime is 4023544523. The next prime is 4023544579. The reversal of 4023544541 is 1454453204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3524915641 + 498628900 = 59371^2 + 22330^2 .

It is a cyclic number.

It is not a de Polignac number, because 4023544541 - 2³⁰ = 2949802717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4023544498 and 4023544507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4023541541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2011772270 + 2011772271.

It is an arithmetic number, because the mean of its divisors is an integer number (2011772271).

Almost surely, 2^4023544541 is an apocalyptic number.

It is an amenable number.

4023544541 is a deficient number, since it is larger than the sum of its proper divisors (1).

4023544541 is an equidigital number, since it uses as much as digits as its factorization.

4023544541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 4023544541 is about 63431.4160412646. The cubic root of 4023544541 is about 1590.5095134102.

Adding to 4023544541 its reverse (1454453204), we get a palindrome (5477997745).

The spelling of 4023544541 in words is "four billion, twenty-three million, five hundred forty-four thousand, five hundred forty-one".