43422523 has 2 divisors, whose sum is σ = 43422524. Its totient is φ = 43422522.

The previous prime is 43422503. The next prime is 43422527. The reversal of 43422523 is 32522434.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43422523 - 2¹³ = 43414331 is a prime.

It is not a weakly prime, because it can be changed into another prime (43422527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21711261 + 21711262.

It is an arithmetic number, because the mean of its divisors is an integer number (21711262).

Almost surely, 2^43422523 is an apocalyptic number.

43422523 is a deficient number, since it is larger than the sum of its proper divisors (1).

43422523 is an equidigital number, since it uses as much as digits as its factorization.

43422523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 25.

The square root of 43422523 is about 6589.5768452914. The cubic root of 43422523 is about 351.4835611790.

Adding to 43422523 its reverse (32522434), we get a palindrome (75944957).

The spelling of 43422523 in words is "forty-three million, four hundred twenty-two thousand, five hundred twenty-three".