213424432403 has 8 divisors (see below), whose sum is σ = 262676224608. Its totient is φ = 168863287104.

The previous prime is 213424432297. The next prime is 213424432433. The reversal of 213424432403 is 304234424312.

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

It is a cyclic number.

It is not a de Polignac number, because 213424432403 - 2⁸ = 213424432147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213424432403.

It is not an unprimeable number, because it can be changed into a prime (213424432433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1172661626 + ... + 1172661807.

It is an arithmetic number, because the mean of its divisors is an integer number (32834528076).

Almost surely, 2^213424432403 is an apocalyptic number.

213424432403 is a deficient number, since it is larger than the sum of its proper divisors (49251792205).

213424432403 is a wasteful number, since it uses less digits than its factorization.

213424432403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2345323453.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 213424432403 its reverse (304234424312), we get a palindrome (517658856715).

The spelling of 213424432403 in words is "two hundred thirteen billion, four hundred twenty-four million, four hundred thirty-two thousand, four hundred three".