21310230122023 has 2 divisors, whose sum is σ = 21310230122024. Its totient is φ = 21310230122022.

The previous prime is 21310230122011. The next prime is 21310230122033. The reversal of 21310230122023 is 32022103201312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21310230122023 - 2⁴¹ = 19111206866471 is a prime.

It is a super-2 number, since 2×21310230122023² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21310230121985 and 21310230122003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21310230122033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10655115061011 + 10655115061012.

It is an arithmetic number, because the mean of its divisors is an integer number (10655115061012).

Almost surely, 2^{21310230122023} is an apocalyptic number.

21310230122023 is a deficient number, since it is larger than the sum of its proper divisors (1).

21310230122023 is an equidigital number, since it uses as much as digits as its factorization.

21310230122023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21310230122023 its reverse (32022103201312), we get a palindrome (53332333323335).

The spelling of 21310230122023 in words is "twenty-one trillion, three hundred ten billion, two hundred thirty million, one hundred twenty-two thousand, twenty-three".