210423241 has 4 divisors (see below), whose sum is σ = 240483712. Its totient is φ = 180362772.

The previous prime is 210423223. The next prime is 210423247. The reversal of 210423241 is 142324012.

210423241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 210423241 - 2¹¹ = 210421193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210423247) 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, 15030225 + ... + 15030238.

It is an arithmetic number, because the mean of its divisors is an integer number (60120928).

Almost surely, 2^210423241 is an apocalyptic number.

It is an amenable number.

210423241 is a deficient number, since it is larger than the sum of its proper divisors (30060471).

210423241 is an equidigital number, since it uses as much as digits as its factorization.

210423241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30060470.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 210423241 is about 14505.9725975200. The cubic root of 210423241 is about 594.7912465903.

Adding to 210423241 its reverse (142324012), we get a palindrome (352747253).

The spelling of 210423241 in words is "two hundred ten million, four hundred twenty-three thousand, two hundred forty-one".