43275923 has 2 divisors, whose sum is σ = 43275924. Its totient is φ = 43275922.

The previous prime is 43275899. The next prime is 43275937. The reversal of 43275923 is 32957234.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43275923 - 2¹² = 43271827 is a prime.

It is not a weakly prime, because it can be changed into another prime (43275223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21637961 + 21637962.

It is an arithmetic number, because the mean of its divisors is an integer number (21637962).

Almost surely, 2^43275923 is an apocalyptic number.

43275923 is a deficient number, since it is larger than the sum of its proper divisors (1).

43275923 is an equidigital number, since it uses as much as digits as its factorization.

43275923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 35.

The square root of 43275923 is about 6578.4438129393. The cubic root of 43275923 is about 351.0875640227.

The spelling of 43275923 in words is "forty-three million, two hundred seventy-five thousand, nine hundred twenty-three".