423526307 has 4 divisors (see below), whose sum is σ = 433375800. Its totient is φ = 413676816.

The previous prime is 423526297. The next prime is 423526333. The reversal of 423526307 is 703625324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 423526307 - 2¹⁰ = 423525283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423526357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4924682 + ... + 4924767.

It is an arithmetic number, because the mean of its divisors is an integer number (108343950).

Almost surely, 2^423526307 is an apocalyptic number.

423526307 is a deficient number, since it is larger than the sum of its proper divisors (9849493).

423526307 is an equidigital number, since it uses as much as digits as its factorization.

423526307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9849492.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 423526307 is about 20579.7547847393. The cubic root of 423526307 is about 750.9772783127.

The spelling of 423526307 in words is "four hundred twenty-three million, five hundred twenty-six thousand, three hundred seven".