23044330042543 has 2 divisors, whose sum is σ = 23044330042544. Its totient is φ = 23044330042542.

The previous prime is 23044330042483. The next prime is 23044330042567. The reversal of 23044330042543 is 34524003344032.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23044330042543 - 2²⁹ = 23043793171631 is a prime.

It is a super-2 number, since 2×23044330042543² (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 (23044330042343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11522165021271 + 11522165021272.

It is an arithmetic number, because the mean of its divisors is an integer number (11522165021272).

Almost surely, 2^{23044330042543} is an apocalyptic number.

23044330042543 is a deficient number, since it is larger than the sum of its proper divisors (1).

23044330042543 is an equidigital number, since it uses as much as digits as its factorization.

23044330042543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 37.

Adding to 23044330042543 its reverse (34524003344032), we get a palindrome (57568333386575).

The spelling of 23044330042543 in words is "twenty-three trillion, forty-four billion, three hundred thirty million, forty-two thousand, five hundred forty-three".