43425923 has 2 divisors, whose sum is σ = 43425924. Its totient is φ = 43425922.

The previous prime is 43425913. The next prime is 43425931. The reversal of 43425923 is 32952434.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43425923 - 2¹⁸ = 43163779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43425923.

It is not a weakly prime, because it can be changed into another prime (43425913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21712961 + 21712962.

It is an arithmetic number, because the mean of its divisors is an integer number (21712962).

Almost surely, 2^43425923 is an apocalyptic number.

43425923 is a deficient number, since it is larger than the sum of its proper divisors (1).

43425923 is an equidigital number, since it uses as much as digits as its factorization.

43425923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 32.

The square root of 43425923 is about 6589.8348234231. The cubic root of 43425923 is about 351.4927347049.

The spelling of 43425923 in words is "forty-three million, four hundred twenty-five thousand, nine hundred twenty-three".