210422423 has 8 divisors (see below), whose sum is σ = 219729888. Its totient is φ = 201128224.

The previous prime is 210422383. The next prime is 210422437. The reversal of 210422423 is 324224012.

210422423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 210422423 - 2²⁶ = 143313559 is a prime.

It is a super-2 number, since 2×210422423² = 88555192202381858, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210422395 and 210422404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210422623) 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, 43061 + ... + 47697.

It is an arithmetic number, because the mean of its divisors is an integer number (27466236).

Almost surely, 2^210422423 is an apocalyptic number.

210422423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

210422423 is a deficient number, since it is larger than the sum of its proper divisors (9307465).

210422423 is a wasteful number, since it uses less digits than its factorization.

210422423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6633.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 210422423 is about 14505.9444022097. The cubic root of 210422423 is about 594.7904758582.

Adding to 210422423 its reverse (324224012), we get a palindrome (534646435).

The spelling of 210422423 in words is "two hundred ten million, four hundred twenty-two thousand, four hundred twenty-three".