210423422 has 8 divisors (see below), whose sum is σ = 344329272. Its totient is φ = 95647000.

The previous prime is 210423419. The next prime is 210423463. The reversal of 210423422 is 224324012.

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

It is a junction number, because it is equal to n+sod(n) for n = 210423394 and 210423403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4782329 + ... + 4782372.

It is an arithmetic number, because the mean of its divisors is an integer number (43041159).

Almost surely, 2^210423422 is an apocalyptic number.

210423422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210423422 is a deficient number, since it is larger than the sum of its proper divisors (133905850).

210423422 is a wasteful number, since it uses less digits than its factorization.

210423422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9564714.

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

The square root of 210423422 is about 14505.9788363281. The cubic root of 210423422 is about 594.7914171310.

Adding to 210423422 its reverse (224324012), we get a palindrome (434747434).

The spelling of 210423422 in words is "two hundred ten million, four hundred twenty-three thousand, four hundred twenty-two".