210113123 has 8 divisors (see below), whose sum is σ = 229325040. Its totient is φ = 190919680.

The previous prime is 210113083. The next prime is 210113129. The reversal of 210113123 is 321311012.

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

It is a cyclic number.

It is not a de Polignac number, because 210113123 - 2⁸ = 210112867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210113098 and 210113107.

It is not an unprimeable number, because it can be changed into a prime (210113129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31463 + ... + 37551.

It is an arithmetic number, because the mean of its divisors is an integer number (28665630).

Almost surely, 2^210113123 is an apocalyptic number.

210113123 is a deficient number, since it is larger than the sum of its proper divisors (19211917).

210113123 is a wasteful number, since it uses less digits than its factorization.

210113123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9237.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 210113123 is about 14495.2793350111. The cubic root of 210113123 is about 594.4989053690.

Adding to 210113123 its reverse (321311012), we get a palindrome (531424135).

The spelling of 210113123 in words is "two hundred ten million, one hundred thirteen thousand, one hundred twenty-three".