21010002231323 has 8 divisors (see below), whose sum is σ = 24036786388992. Its totient is φ = 17989556890536.

The previous prime is 21010002231313. The next prime is 21010002231403. The reversal of 21010002231323 is 32313220001012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21010002231323 - 2²² = 21009998037019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21010002231295 and 21010002231304.

It is not an unprimeable number, because it can be changed into a prime (21010002231313) 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, 1584697115 + ... + 1584710372.

It is an arithmetic number, because the mean of its divisors is an integer number (3004598298624).

Almost surely, 2^{21010002231323} is an apocalyptic number.

21010002231323 is a deficient number, since it is larger than the sum of its proper divisors (3026784157669).

21010002231323 is an equidigital number, since it uses as much as digits as its factorization.

21010002231323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3169408441.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21010002231323 its reverse (32313220001012), we get a palindrome (53323222232335).

The spelling of 21010002231323 in words is "twenty-one trillion, ten billion, two million, two hundred thirty-one thousand, three hundred twenty-three".