43825423 has 2 divisors, whose sum is σ = 43825424. Its totient is φ = 43825422.

The previous prime is 43825421. The next prime is 43825447. The reversal of 43825423 is 32452834.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43825423 - 2¹ = 43825421 is a prime.

It is a super-3 number, since 3×43825423³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 43825421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43825421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21912711 + 21912712.

It is an arithmetic number, because the mean of its divisors is an integer number (21912712).

Almost surely, 2^43825423 is an apocalyptic number.

43825423 is a deficient number, since it is larger than the sum of its proper divisors (1).

43825423 is an equidigital number, since it uses as much as digits as its factorization.

43825423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 31.

The square root of 43825423 is about 6620.0772654101. The cubic root of 43825423 is about 352.5673073693.

The spelling of 43825423 in words is "forty-three million, eight hundred twenty-five thousand, four hundred twenty-three".