21324230134 has 8 divisors (see below), whose sum is σ = 32766500088. Its totient is φ = 10402063440.

The previous prime is 21324230129. The next prime is 21324230141. The reversal of 21324230134 is 43103242312.

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

It is a junction number, because it is equal to n+sod(n) for n = 21324230099 and 21324230108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130025712 + ... + 130025875.

It is an arithmetic number, because the mean of its divisors is an integer number (4095812511).

Almost surely, 2^21324230134 is an apocalyptic number.

21324230134 is a deficient number, since it is larger than the sum of its proper divisors (11442269954).

21324230134 is a wasteful number, since it uses less digits than its factorization.

21324230134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260051630.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 21324230134 its reverse (43103242312), we get a palindrome (64427472446).

The spelling of 21324230134 in words is "twenty-one billion, three hundred twenty-four million, two hundred thirty thousand, one hundred thirty-four".