210020231223 has 24 divisors (see below), whose sum is σ = 345329712000. Its totient is φ = 121750857360.

The previous prime is 210020231219. The next prime is 210020231243. The reversal of 210020231223 is 322132020012.

210020231223 is a `hidden beast` number, since 210 + 0 + 2 + 0 + 231 + 223 = 666.

210020231223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 210020231223 - 2² = 210020231219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210020231196 and 210020231205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210020231243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46115473 + ... + 46120026.

It is an arithmetic number, because the mean of its divisors is an integer number (14388738000).

Almost surely, 2^210020231223 is an apocalyptic number.

210020231223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

210020231223 is a deficient number, since it is larger than the sum of its proper divisors (135309480777).

210020231223 is a wasteful number, since it uses less digits than its factorization.

210020231223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92235539 (or 92235536 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 210020231223 its reverse (322132020012), we get a palindrome (532152251235).

The spelling of 210020231223 in words is "two hundred ten billion, twenty million, two hundred thirty-one thousand, two hundred twenty-three".