423053350785 has 36 divisors (see below), whose sum is σ = 794038611132. Its totient is φ = 208272415104.

The previous prime is 423053350777. The next prime is 423053350787. The reversal of 423053350785 is 587053350324.

423053350785 is a `hidden beast` number, since 4 + 2 + 30 + 5 + 33 + 507 + 85 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 12355656336 + 410697694449 = 111156^2 + 640857^2 .

It is not a de Polignac number, because 423053350785 - 2³ = 423053350777 is a prime.

It is a super-2 number, since 2×423053350785² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 423053350785.

It is not an unprimeable number, because it can be changed into a prime (423053350787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 27806554 + ... + 27821763.

It is an arithmetic number, because the mean of its divisors is an integer number (22056628087).

Almost surely, 2^423053350785 is an apocalyptic number.

423053350785 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

423053350785 is a deficient number, since it is larger than the sum of its proper divisors (370985260347).

423053350785 is a wasteful number, since it uses less digits than its factorization.

423053350785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55628354 (or 55628338 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 45.

The spelling of 423053350785 in words is "four hundred twenty-three billion, fifty-three million, three hundred fifty thousand, seven hundred eighty-five".