23323444543423 has 2 divisors, whose sum is σ = 23323444543424. Its totient is φ = 23323444543422.

The previous prime is 23323444543393. The next prime is 23323444543507. The reversal of 23323444543423 is 32434544432332.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23323444543423 - 2²⁹ = 23322907672511 is a prime.

It is a super-2 number, since 2×23323444543423² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23323444573423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11661722271711 + 11661722271712.

It is an arithmetic number, because the mean of its divisors is an integer number (11661722271712).

Almost surely, 2^{23323444543423} is an apocalyptic number.

23323444543423 is a deficient number, since it is larger than the sum of its proper divisors (1).

23323444543423 is an equidigital number, since it uses as much as digits as its factorization.

23323444543423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9953280, while the sum is 46.

Adding to 23323444543423 its reverse (32434544432332), we get a palindrome (55757988975755).

The spelling of 23323444543423 in words is "twenty-three trillion, three hundred twenty-three billion, four hundred forty-four million, five hundred forty-three thousand, four hundred twenty-three".