21323123103334 has 32 divisors (see below), whose sum is σ = 34919788669920. Its totient is φ = 9705822734592.

The previous prime is 21323123103311. The next prime is 21323123103367. The reversal of 21323123103334 is 43330132132312.

It is a junction number, because it is equal to n+sod(n) for n = 21323123103296 and 21323123103305.

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 15 ways as a sum of consecutive naturals, for example, 22747432 + ... + 23666260.

It is an arithmetic number, because the mean of its divisors is an integer number (1091243395935).

Almost surely, 2^{21323123103334} is an apocalyptic number.

21323123103334 is a deficient number, since it is larger than the sum of its proper divisors (13596665566586).

21323123103334 is a wasteful number, since it uses less digits than its factorization.

21323123103334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931144.

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 21323123103334 its reverse (43330132132312), we get a palindrome (64653255235646).

The spelling of 21323123103334 in words is "twenty-one trillion, three hundred twenty-three billion, one hundred twenty-three million, one hundred three thousand, three hundred thirty-four".