21202323022023 has 64 divisors (see below), whose sum is σ = 33286474368000. Its totient is φ = 11834873487360.

The previous prime is 21202323022021. The next prime is 21202323022033. The reversal of 21202323022023 is 32022032320212.

It is not a de Polignac number, because 21202323022023 - 2¹ = 21202323022021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21202323021984 and 21202323022002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21202323022021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 512125078 + ... + 512166476.

It is an arithmetic number, because the mean of its divisors is an integer number (520101162000).

Almost surely, 2^{21202323022023} is an apocalyptic number.

21202323022023 is a deficient number, since it is larger than the sum of its proper divisors (12084151345977).

21202323022023 is a wasteful number, since it uses less digits than its factorization.

21202323022023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44072.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 21202323022023 its reverse (32022032320212), we get a palindrome (53224355342235).

The spelling of 21202323022023 in words is "twenty-one trillion, two hundred two billion, three hundred twenty-three million, twenty-two thousand, twenty-three".