210023413 has 4 divisors (see below), whose sum is σ = 210089088. Its totient is φ = 209957740.

The previous prime is 210023393. The next prime is 210023417. The reversal of 210023413 is 314320012.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210023413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210023417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27781 + ... + 34522.

It is an arithmetic number, because the mean of its divisors is an integer number (52522272).

Almost surely, 2^210023413 is an apocalyptic number.

It is an amenable number.

210023413 is a deficient number, since it is larger than the sum of its proper divisors (65675).

210023413 is an equidigital number, since it uses as much as digits as its factorization.

210023413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65674.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 210023413 is about 14492.1845489215. The cubic root of 210023413 is about 594.4142841451.

Adding to 210023413 its reverse (314320012), we get a palindrome (524343425).

The spelling of 210023413 in words is "two hundred ten million, twenty-three thousand, four hundred thirteen".