210200230123423 has 4 divisors (see below), whose sum is σ = 211539085092520. Its totient is φ = 208861375154328.

The previous prime is 210200230123393. The next prime is 210200230123439. The reversal of 210200230123423 is 324321032002012.

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 210200230123423 - 2²⁵ = 210200196568991 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 (210200230123463) 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, 669427484313 + ... + 669427484626.

It is an arithmetic number, because the mean of its divisors is an integer number (52884771273130).

Almost surely, 2^{210200230123423} is an apocalyptic number.

210200230123423 is a deficient number, since it is larger than the sum of its proper divisors (1338854969097).

210200230123423 is a wasteful number, since it uses less digits than its factorization.

210200230123423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338854969096.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 210200230123423 its reverse (324321032002012), we get a palindrome (534521262125435).

The spelling of 210200230123423 in words is "two hundred ten trillion, two hundred billion, two hundred thirty million, one hundred twenty-three thousand, four hundred twenty-three".