210123133 has 8 divisors (see below), whose sum is σ = 229952160. Its totient is φ = 190415280.

The previous prime is 210123113. The next prime is 210123139. The reversal of 210123133 is 331321012.

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

It is not a de Polignac number, because 210123133 - 2⁹ = 210122621 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 (210123139) 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, 26643 + ... + 33616.

It is an arithmetic number, because the mean of its divisors is an integer number (28744020).

Almost surely, 2^210123133 is an apocalyptic number.

It is an amenable number.

210123133 is a deficient number, since it is larger than the sum of its proper divisors (19829027).

210123133 is a wasteful number, since it uses less digits than its factorization.

210123133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60587.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 210123133 is about 14495.6246157246. The cubic root of 210123133 is about 594.5083460605.

Adding to 210123133 its reverse (331321012), we get a palindrome (541444145).

The spelling of 210123133 in words is "two hundred ten million, one hundred twenty-three thousand, one hundred thirty-three".