200122423 has 4 divisors (see below), whose sum is σ = 200533840. Its totient is φ = 199711008.

The previous prime is 200122399. The next prime is 200122427. The reversal of 200122423 is 324221002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 200122423 - 2¹³ = 200114231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200122397 and 200122406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200122427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204978 + ... + 205951.

It is an arithmetic number, because the mean of its divisors is an integer number (50133460).

Almost surely, 2^200122423 is an apocalyptic number.

200122423 is a deficient number, since it is larger than the sum of its proper divisors (411417).

200122423 is an equidigital number, since it uses as much as digits as its factorization.

200122423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411416.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 200122423 is about 14146.4632682519. The cubic root of 200122423 is about 584.9228456457.

Adding to 200122423 its reverse (324221002), we get a palindrome (524343425).

The spelling of 200122423 in words is "two hundred million, one hundred twenty-two thousand, four hundred twenty-three".