200105423 has 8 divisors (see below), whose sum is σ = 236578080. Its totient is φ = 165604320.

The previous prime is 200105417. The next prime is 200105429. The reversal of 200105423 is 324501002.

It is an interprime number because it is at equal distance from previous prime (200105417) and next prime (200105429).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 200105423 - 2⁴ = 200105407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200105429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492668 + ... + 493073.

It is an arithmetic number, because the mean of its divisors is an integer number (29572260).

Almost surely, 2^200105423 is an apocalyptic number.

200105423 is a deficient number, since it is larger than the sum of its proper divisors (36472657).

200105423 is an equidigital number, since it uses as much as digits as its factorization.

200105423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985777.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 200105423 is about 14145.8623985956. The cubic root of 200105423 is about 584.9062825010.

Adding to 200105423 its reverse (324501002), we get a palindrome (524606425).

The spelling of 200105423 in words is "two hundred million, one hundred five thousand, four hundred twenty-three".