423546903 has 48 divisors (see below), whose sum is σ = 676952640. Its totient is φ = 253573632.

The previous prime is 423546889. The next prime is 423546971. The reversal of 423546903 is 309645324.

423546903 is a `hidden beast` number, since 4 + 23 + 546 + 90 + 3 = 666.

It is not a de Polignac number, because 423546903 - 2⁸ = 423546647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423546983) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1035363 + ... + 1035771.

It is an arithmetic number, because the mean of its divisors is an integer number (14103180).

Almost surely, 2^423546903 is an apocalyptic number.

423546903 is a deficient number, since it is larger than the sum of its proper divisors (253405737).

423546903 is a wasteful number, since it uses less digits than its factorization.

423546903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648 (or 645 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 423546903 is about 20580.2551733452. The cubic root of 423546903 is about 750.9894514072.

The spelling of 423546903 in words is "four hundred twenty-three million, five hundred forty-six thousand, nine hundred three".