210133023 has 4 divisors (see below), whose sum is σ = 280177368. Its totient is φ = 140088680.

The previous prime is 210133019. The next prime is 210133051. The reversal of 210133023 is 320331012.

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 210133023 - 2² = 210133019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210132993 and 210133011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210133003) 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, 35022168 + ... + 35022173.

It is an arithmetic number, because the mean of its divisors is an integer number (70044342).

Almost surely, 2^210133023 is an apocalyptic number.

210133023 is a deficient number, since it is larger than the sum of its proper divisors (70044345).

210133023 is an equidigital number, since it uses as much as digits as its factorization.

210133023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70044344.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 210133023 is about 14495.9657491317. The cubic root of 210133023 is about 594.5176732825.

Adding to 210133023 its reverse (320331012), we get a palindrome (530464035).

The spelling of 210133023 in words is "two hundred ten million, one hundred thirty-three thousand, twenty-three".