21341134223 has 4 divisors (see below), whose sum is σ = 22269009648. Its totient is φ = 20413258800.

The previous prime is 21341134193. The next prime is 21341134231. The reversal of 21341134223 is 32243114312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21341134223 - 2⁸ = 21341133967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21341134192 and 21341134201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21341134253) 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, 463937678 + ... + 463937723.

It is an arithmetic number, because the mean of its divisors is an integer number (5567252412).

Almost surely, 2^21341134223 is an apocalyptic number.

21341134223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

21341134223 is a deficient number, since it is larger than the sum of its proper divisors (927875425).

21341134223 is an equidigital number, since it uses as much as digits as its factorization.

21341134223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927875424.

The product of its digits is 3456, while the sum is 26.

Adding to 21341134223 its reverse (32243114312), we get a palindrome (53584248535).

The spelling of 21341134223 in words is "twenty-one billion, three hundred forty-one million, one hundred thirty-four thousand, two hundred twenty-three".