213423424522 has 64 divisors (see below), whose sum is σ = 417101819904. Its totient is φ = 79490053440.

The previous prime is 213423424519. The next prime is 213423424537. The reversal of 213423424522 is 225424324312.

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 in 31 ways as a sum of consecutive naturals, for example, 31633 + ... + 654100.

It is an arithmetic number, because the mean of its divisors is an integer number (6517215936).

Almost surely, 2^213423424522 is an apocalyptic number.

213423424522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

213423424522 is a deficient number, since it is larger than the sum of its proper divisors (203678395382).

213423424522 is a wasteful number, since it uses less digits than its factorization.

213423424522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685843.

The product of its digits is 92160, while the sum is 34.

Adding to 213423424522 its reverse (225424324312), we get a palindrome (438847748834).

The spelling of 213423424522 in words is "two hundred thirteen billion, four hundred twenty-three million, four hundred twenty-four thousand, five hundred twenty-two".