210423104 has 14 divisors (see below), whose sum is σ = 417558474. Its totient is φ = 105211520.

The previous prime is 210423061. The next prime is 210423131. The reversal of 210423104 is 401324012.

It can be written as a sum of positive squares in only one way, i.e., 126517504 + 83905600 = 11248^2 + 9160^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1643867 + ... + 1643994.

Almost surely, 2^210423104 is an apocalyptic number.

It is an amenable number.

210423104 is a deficient number, since it is larger than the sum of its proper divisors (207135370).

210423104 is an equidigital number, since it uses as much as digits as its factorization.

210423104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3287873 (or 3287863 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 210423104 is about 14505.9678753263. The cubic root of 210423104 is about 594.7911175069.

Adding to 210423104 its reverse (401324012), we get a palindrome (611747116).

The spelling of 210423104 in words is "two hundred ten million, four hundred twenty-three thousand, one hundred four".