423581268042 has 24 divisors (see below), whose sum is σ = 917771381280. Its totient is φ = 141191914920.

The previous prime is 423581268029. The next prime is 423581268073. The reversal of 423581268042 is 240862185324.

423581268042 is a `hidden beast` number, since 4 + 2 + 3 + 581 + 2 + 68 + 0 + 4 + 2 = 666.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2636209 + ... + 2792267.

It is an arithmetic number, because the mean of its divisors is an integer number (38240474220).

Almost surely, 2^423581268042 is an apocalyptic number.

423581268042 is an abundant number, since it is smaller than the sum of its proper divisors (494190113238).

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

423581268042 is a wasteful number, since it uses less digits than its factorization.

423581268042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306858 (or 306855 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 45.

The spelling of 423581268042 in words is "four hundred twenty-three billion, five hundred eighty-one million, two hundred sixty-eight thousand, forty-two".