423750285 has 120 divisors (see below), whose sum is σ = 895837536. Its totient is φ = 191056320.

The previous prime is 423750269. The next prime is 423750287. The reversal of 423750285 is 582057324.

423750285 is a `hidden beast` number, since 4 + 2 + 375 + 0 + 285 = 666.

It is not a de Polignac number, because 423750285 - 2⁴ = 423750269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423750287) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2599614 + ... + 2599776.

Almost surely, 2^423750285 is an apocalyptic number.

423750285 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

423750285 is an abundant number, since it is smaller than the sum of its proper divisors (472087251).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423750285 is a wasteful number, since it uses less digits than its factorization.

423750285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 423750285 is about 20585.1957726906. The cubic root of 423750285 is about 751.1096374633.

The spelling of 423750285 in words is "four hundred twenty-three million, seven hundred fifty thousand, two hundred eighty-five".