200312442423 has 16 divisors (see below), whose sum is σ = 300515622400. Its totient is φ = 131851226520.

The previous prime is 200312442403. The next prime is 200312442469. The reversal of 200312442423 is 324244213002.

200312442423 is a `hidden beast` number, since 200 + 3 + 12 + 4 + 424 + 23 = 666.

It is not a de Polignac number, because 200312442423 - 2²⁹ = 199775571511 is a prime.

It is a super-2 number, since 2×200312442423² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200312442403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46953433 + ... + 46957698.

It is an arithmetic number, because the mean of its divisors is an integer number (18782226400).

Almost surely, 2^200312442423 is an apocalyptic number.

200312442423 is a deficient number, since it is larger than the sum of its proper divisors (100203179977).

200312442423 is an equidigital number, since it uses as much as digits as its factorization.

200312442423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93911219 (or 93911213 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 200312442423 its reverse (324244213002), we get a palindrome (524556655425).

The spelling of 200312442423 in words is "two hundred billion, three hundred twelve million, four hundred forty-two thousand, four hundred twenty-three".