210201423 has 8 divisors (see below), whose sum is σ = 281226288. Its totient is φ = 139655424.

The previous prime is 210201419. The next prime is 210201443. The reversal of 210201423 is 324102012.

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

It is not a de Polignac number, because 210201423 - 2² = 210201419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210201443) 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, 118690 + ... + 120447.

It is an arithmetic number, because the mean of its divisors is an integer number (35153286).

Almost surely, 2^210201423 is an apocalyptic number.

210201423 is a deficient number, since it is larger than the sum of its proper divisors (71024865).

210201423 is a wasteful number, since it uses less digits than its factorization.

210201423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239433.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 210201423 is about 14498.3248342696. The cubic root of 210201423 is about 594.5821730563.

Adding to 210201423 its reverse (324102012), we get a palindrome (534303435).

The spelling of 210201423 in words is "two hundred ten million, two hundred one thousand, four hundred twenty-three".