21230013002323 has 8 divisors (see below), whose sum is σ = 21239481540800. Its totient is φ = 21220545767040.

The previous prime is 21230013002321. The next prime is 21230013002329. The reversal of 21230013002323 is 32320031003212.

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 21230013002323 - 2¹ = 21230013002321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21230013002294 and 21230013002303.

It is not an unprimeable number, because it can be changed into a prime (21230013002321) 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, 33021193 + ... + 33657973.

It is an arithmetic number, because the mean of its divisors is an integer number (2654935192600).

Almost surely, 2^{21230013002323} is an apocalyptic number.

21230013002323 is a deficient number, since it is larger than the sum of its proper divisors (9468538477).

21230013002323 is a wasteful number, since it uses less digits than its factorization.

21230013002323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651597.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 21230013002323 its reverse (32320031003212), we get a palindrome (53550044005535).

The spelling of 21230013002323 in words is "twenty-one trillion, two hundred thirty billion, thirteen million, two thousand, three hundred twenty-three".