21023302302023 has 8 divisors (see below), whose sum is σ = 24030338495520. Its totient is φ = 18017192931840.

The previous prime is 21023302302007. The next prime is 21023302302071. The reversal of 21023302302023 is 32020320332012.

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 21023302302023 - 2⁴ = 21023302302007 is a prime.

It is a super-2 number, since 2×21023302302023² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21023302302023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21023302302323) 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, 231657218 + ... + 231747951.

It is an arithmetic number, because the mean of its divisors is an integer number (3003792311940).

Almost surely, 2^{21023302302023} is an apocalyptic number.

21023302302023 is a deficient number, since it is larger than the sum of its proper divisors (3007036193497).

21023302302023 is an equidigital number, since it uses as much as digits as its factorization.

21023302302023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463411657.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 21023302302023 its reverse (32020320332012), we get a palindrome (53043622634035).

The spelling of 21023302302023 in words is "twenty-one trillion, twenty-three billion, three hundred two million, three hundred two thousand, twenty-three".