212568732423 has 24 divisors (see below), whose sum is σ = 320547621888. Its totient is φ = 135485850192.

The previous prime is 212568732421. The next prime is 212568732451. The reversal of 212568732423 is 324237865212.

212568732423 is a `hidden beast` number, since 2 + 12 + 568 + 7 + 32 + 42 + 3 = 666.

It is not a de Polignac number, because 212568732423 - 2¹ = 212568732421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212568732421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 185986 + ... + 678032.

It is an arithmetic number, because the mean of its divisors is an integer number (13356150912).

Almost surely, 2^212568732423 is an apocalyptic number.

212568732423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

212568732423 is a deficient number, since it is larger than the sum of its proper divisors (107978889465).

212568732423 is a wasteful number, since it uses less digits than its factorization.

212568732423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494163 (or 494160 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The spelling of 212568732423 in words is "two hundred twelve billion, five hundred sixty-eight million, seven hundred thirty-two thousand, four hundred twenty-three".