210423124 has 6 divisors (see below), whose sum is σ = 368240474. Its totient is φ = 105211560.

The previous prime is 210423061. The next prime is 210423131. The reversal of 210423124 is 421324012.

It can be written as a sum of positive squares in only one way, i.e., 120780100 + 89643024 = 10990^2 + 9468^2 .

It is a super-2 number, since 2×210423124² = 88555782227838752, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26302887 + ... + 26302894.

Almost surely, 2^210423124 is an apocalyptic number.

It is an amenable number.

210423124 is a deficient number, since it is larger than the sum of its proper divisors (157817350).

210423124 is a wasteful number, since it uses less digits than its factorization.

210423124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52605785 (or 52605783 counting only the distinct ones).

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

The square root of 210423124 is about 14505.9685646978. The cubic root of 210423124 is about 594.7911363512.

Adding to 210423124 its reverse (421324012), we get a palindrome (631747136).

The spelling of 210423124 in words is "two hundred ten million, four hundred twenty-three thousand, one hundred twenty-four".