21323113120103 has 8 divisors (see below), whose sum is σ = 22216665346560. Its totient is φ = 20442417760440.

The previous prime is 21323113120079. The next prime is 21323113120139. The reversal of 21323113120103 is 30102131132312.

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 21323113120103 - 2¹⁰ = 21323113119079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21323113125103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3214213313 + ... + 3214219946.

It is an arithmetic number, because the mean of its divisors is an integer number (2777083168320).

Almost surely, 2^{21323113120103} is an apocalyptic number.

21323113120103 is a deficient number, since it is larger than the sum of its proper divisors (893552226457).

21323113120103 is a wasteful number, since it uses less digits than its factorization.

21323113120103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6428433397.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 21323113120103 its reverse (30102131132312), we get a palindrome (51425244252415).

The spelling of 21323113120103 in words is "twenty-one trillion, three hundred twenty-three billion, one hundred thirteen million, one hundred twenty thousand, one hundred three".