423420775 has 12 divisors (see below), whose sum is σ = 525357000. Its totient is φ = 338533280.

The previous prime is 423420769. The next prime is 423420821. The reversal of 423420775 is 577024324.

It is not a de Polignac number, because 423420775 - 2¹¹ = 423418727 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 423420775.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48441 + ... + 56509.

It is an arithmetic number, because the mean of its divisors is an integer number (43779750).

Almost surely, 2^423420775 is an apocalyptic number.

423420775 is a deficient number, since it is larger than the sum of its proper divisors (101936225).

423420775 is a wasteful number, since it uses less digits than its factorization.

423420775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10178 (or 10173 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 34.

The square root of 423420775 is about 20577.1906488714. The cubic root of 423420775 is about 750.9148983091.

The spelling of 423420775 in words is "four hundred twenty-three million, four hundred twenty thousand, seven hundred seventy-five".