43541023 has 2 divisors, whose sum is σ = 43541024. Its totient is φ = 43541022.

The previous prime is 43541021. The next prime is 43541033. The reversal of 43541023 is 32014534.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43541023 - 2¹ = 43541021 is a prime.

Together with 43541021, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 43540985 and 43541003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43541021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21770511 + 21770512.

It is an arithmetic number, because the mean of its divisors is an integer number (21770512).

Almost surely, 2^43541023 is an apocalyptic number.

43541023 is a deficient number, since it is larger than the sum of its proper divisors (1).

43541023 is an equidigital number, since it uses as much as digits as its factorization.

43541023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 43541023 is about 6598.5621918718. The cubic root of 43541023 is about 351.8030034725.

Adding to 43541023 its reverse (32014534), we get a palindrome (75555557).

The spelling of 43541023 in words is "forty-three million, five hundred forty-one thousand, twenty-three".