21023310032323 has 8 divisors (see below), whose sum is σ = 22260017334528. Its totient is φ = 19786607397504.

The previous prime is 21023310032273. The next prime is 21023310032353. The reversal of 21023310032323 is 32323001332012.

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 21023310032323 - 2³⁷ = 20885871078851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21023310032353) 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, 13069465 + ... + 14589637.

It is an arithmetic number, because the mean of its divisors is an integer number (2782502166816).

Almost surely, 2^{21023310032323} is an apocalyptic number.

21023310032323 is a deficient number, since it is larger than the sum of its proper divisors (1236707302205).

21023310032323 is a wasteful number, since it uses less digits than its factorization.

21023310032323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2333693.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 21023310032323 its reverse (32323001332012), we get a palindrome (53346311364335).

The spelling of 21023310032323 in words is "twenty-one trillion, twenty-three billion, three hundred ten million, thirty-two thousand, three hundred twenty-three".