21342341203 has 8 divisors (see below), whose sum is σ = 21737067408. Its totient is φ = 20950891104.

The previous prime is 21342341201. The next prime is 21342341219. The reversal of 21342341203 is 30214324312.

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 21342341203 - 2¹ = 21342341201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21342341201) 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, 805876 + ... + 831937.

It is an arithmetic number, because the mean of its divisors is an integer number (2717133426).

Almost surely, 2^21342341203 is an apocalyptic number.

21342341203 is a deficient number, since it is larger than the sum of its proper divisors (394726205).

21342341203 is a wasteful number, since it uses less digits than its factorization.

21342341203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638053.

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

Adding to 21342341203 its reverse (30214324312), we get a palindrome (51556665515).

The spelling of 21342341203 in words is "twenty-one billion, three hundred forty-two million, three hundred forty-one thousand, two hundred three".