43525123 has 2 divisors, whose sum is σ = 43525124. Its totient is φ = 43525122.

The previous prime is 43525091. The next prime is 43525133. The reversal of 43525123 is 32152534.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43525123 - 2⁵ = 43525091 is a prime.

It is not a weakly prime, because it can be changed into another prime (43525133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21762561 + 21762562.

It is an arithmetic number, because the mean of its divisors is an integer number (21762562).

Almost surely, 2^43525123 is an apocalyptic number.

43525123 is a deficient number, since it is larger than the sum of its proper divisors (1).

43525123 is an equidigital number, since it uses as much as digits as its factorization.

43525123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 25.

The square root of 43525123 is about 6597.3572739393. The cubic root of 43525123 is about 351.7601752890.

Adding to 43525123 its reverse (32152534), we get a palindrome (75677657).

The spelling of 43525123 in words is "forty-three million, five hundred twenty-five thousand, one hundred twenty-three".