200123151223 has 4 divisors (see below), whose sum is σ = 200561057920. Its totient is φ = 199685244528.

The previous prime is 200123151191. The next prime is 200123151247. The reversal of 200123151223 is 322151321002.

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 200123151223 - 2⁵ = 200123151191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200123151194 and 200123151203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200123158223) 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, 218952663 + ... + 218953576.

It is an arithmetic number, because the mean of its divisors is an integer number (50140264480).

Almost surely, 2^200123151223 is an apocalyptic number.

200123151223 is a deficient number, since it is larger than the sum of its proper divisors (437906697).

200123151223 is an equidigital number, since it uses as much as digits as its factorization.

200123151223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437906696.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 200123151223 its reverse (322151321002), we get a palindrome (522274472225).

The spelling of 200123151223 in words is "two hundred billion, one hundred twenty-three million, one hundred fifty-one thousand, two hundred twenty-three".