21041324023 has 2 divisors, whose sum is σ = 21041324024. Its totient is φ = 21041324022.

The previous prime is 21041324009. The next prime is 21041324027. The reversal of 21041324023 is 32042314012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21041324023 - 2²⁹ = 20504453111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21041323985 and 21041324003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21041324027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10520662011 + 10520662012.

It is an arithmetic number, because the mean of its divisors is an integer number (10520662012).

Almost surely, 2^21041324023 is an apocalyptic number.

21041324023 is a deficient number, since it is larger than the sum of its proper divisors (1).

21041324023 is an equidigital number, since it uses as much as digits as its factorization.

21041324023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 21041324023 its reverse (32042314012), we get a palindrome (53083638035).

The spelling of 21041324023 in words is "twenty-one billion, forty-one million, three hundred twenty-four thousand, twenty-three".