210242023 has 4 divisors (see below), whose sum is σ = 211897600. Its totient is φ = 208586448.

The previous prime is 210242017. The next prime is 210242027. The reversal of 210242023 is 320242012.

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 210242023 - 2¹³ = 210233831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210241988 and 210242006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210242027) 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, 827598 + ... + 827851.

It is an arithmetic number, because the mean of its divisors is an integer number (52974400).

Almost surely, 2^210242023 is an apocalyptic number.

210242023 is a deficient number, since it is larger than the sum of its proper divisors (1655577).

210242023 is a wasteful number, since it uses less digits than its factorization.

210242023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655576.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 210242023 is about 14499.7249284254. The cubic root of 210242023 is about 594.6204513925.

Adding to 210242023 its reverse (320242012), we get a palindrome (530484035).

The spelling of 210242023 in words is "two hundred ten million, two hundred forty-two thousand, twenty-three".