200312423 has 2 divisors, whose sum is σ = 200312424. Its totient is φ = 200312422.

The previous prime is 200312419. The next prime is 200312473. The reversal of 200312423 is 324213002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200312423 - 2² = 200312419 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200312473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100156211 + 100156212.

It is an arithmetic number, because the mean of its divisors is an integer number (100156212).

Almost surely, 2^200312423 is an apocalyptic number.

200312423 is a deficient number, since it is larger than the sum of its proper divisors (1).

200312423 is an equidigital number, since it uses as much as digits as its factorization.

200312423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 200312423 is about 14153.1771344811. The cubic root of 200312423 is about 585.1078993514.

Adding to 200312423 its reverse (324213002), we get a palindrome (524525425).

The spelling of 200312423 in words is "two hundred million, three hundred twelve thousand, four hundred twenty-three".