21323213011134 has 16 divisors (see below), whose sum is σ = 47384917802640. Its totient is φ = 7107737670360.

The previous prime is 21323213011109. The next prime is 21323213011147. The reversal of 21323213011134 is 43111031232312.

21323213011134 is a `hidden beast` number, since 2 + 1 + 3 + 2 + 321 + 301 + 1 + 1 + 34 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 21323213011098 and 21323213011107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197437157457 + ... + 197437157564.

It is an arithmetic number, because the mean of its divisors is an integer number (2961557362665).

Almost surely, 2^{21323213011134} is an apocalyptic number.

21323213011134 is an abundant number, since it is smaller than the sum of its proper divisors (26061704791506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21323213011134 is a wasteful number, since it uses less digits than its factorization.

21323213011134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394874315032 (or 394874315026 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 21323213011134 its reverse (43111031232312), we get a palindrome (64434244243446).

The spelling of 21323213011134 in words is "twenty-one trillion, three hundred twenty-three billion, two hundred thirteen million, eleven thousand, one hundred thirty-four".