23043405340673 has 2 divisors, whose sum is σ = 23043405340674. Its totient is φ = 23043405340672.

The previous prime is 23043405340667. The next prime is 23043405340717. The reversal of 23043405340673 is 37604350434032.

It is an a-pointer prime, because the next prime (23043405340717) can be obtained adding 23043405340673 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17683101496384 + 5360303844289 = 4205128^2 + 2315233^2 .

It is a cyclic number.

It is not a de Polignac number, because 23043405340673 - 2¹⁰ = 23043405339649 is a prime.

It is not a weakly prime, because it can be changed into another prime (23043405340633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11521702670336 + 11521702670337.

It is an arithmetic number, because the mean of its divisors is an integer number (11521702670337).

Almost surely, 2^{23043405340673} is an apocalyptic number.

It is an amenable number.

23043405340673 is a deficient number, since it is larger than the sum of its proper divisors (1).

23043405340673 is an equidigital number, since it uses as much as digits as its factorization.

23043405340673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 44.

The spelling of 23043405340673 in words is "twenty-three trillion, forty-three billion, four hundred five million, three hundred forty thousand, six hundred seventy-three".