213424463 has 8 divisors (see below), whose sum is σ = 244055328. Its totient is φ = 182829024.

The previous prime is 213424451. The next prime is 213424469. The reversal of 213424463 is 364424312.

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

It is not a de Polignac number, because 213424463 - 2¹⁸ = 213162319 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 (213424469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5645 + ... + 21417.

It is an arithmetic number, because the mean of its divisors is an integer number (30506916).

Almost surely, 2^213424463 is an apocalyptic number.

213424463 is a deficient number, since it is larger than the sum of its proper divisors (30630865).

213424463 is a wasteful number, since it uses less digits than its factorization.

213424463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17713.

The product of its digits is 13824, while the sum is 29.

The square root of 213424463 is about 14609.0541446050. The cubic root of 213424463 is about 597.6057017876.

Adding to 213424463 its reverse (364424312), we get a palindrome (577848775).

The spelling of 213424463 in words is "two hundred thirteen million, four hundred twenty-four thousand, four hundred sixty-three".