21323000331006 has 32 divisors (see below), whose sum is σ = 49259551569408. Its totient is φ = 6081426119040.

The previous prime is 21323000330993. The next prime is 21323000331049. The reversal of 21323000331006 is 60013300032312.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9502227190 + ... + 9502229433.

It is an arithmetic number, because the mean of its divisors is an integer number (1539360986544).

Almost surely, 2^{21323000331006} is an apocalyptic number.

21323000331006 is an abundant number, since it is smaller than the sum of its proper divisors (27936551238402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21323000331006 is a wasteful number, since it uses less digits than its factorization.

21323000331006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19004456656.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 21323000331006 its reverse (60013300032312), we get a palindrome (81336300363318).

The spelling of 21323000331006 in words is "twenty-one trillion, three hundred twenty-three billion, three hundred thirty-one thousand, six".