210523030 has 16 divisors (see below), whose sum is σ = 379172304. Its totient is φ = 84157920.

The previous prime is 210523013. The next prime is 210523037. The reversal of 210523030 is 30325012.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 210522995 and 210523013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210523037) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 13885 + ... + 24775.

It is an arithmetic number, because the mean of its divisors is an integer number (23698269).

Almost surely, 2^210523030 is an apocalyptic number.

210523030 is a deficient number, since it is larger than the sum of its proper divisors (168649274).

210523030 is a wasteful number, since it uses less digits than its factorization.

210523030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12831.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 210523030 is about 14509.4117730527. The cubic root of 210523030 is about 594.8852543363.

Adding to 210523030 its reverse (30325012), we get a palindrome (240848042).

The spelling of 210523030 in words is "two hundred ten million, five hundred twenty-three thousand, thirty".