23198072273 has 2 divisors, whose sum is σ = 23198072274. Its totient is φ = 23198072272.

The previous prime is 23198072267. The next prime is 23198072333. The reversal of 23198072273 is 37227089132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21671372944 + 1526699329 = 147212^2 + 39073^2 .

It is a cyclic number.

It is not a de Polignac number, because 23198072273 - 2⁴ = 23198072257 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (23198072873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11599036136 + 11599036137.

It is an arithmetic number, because the mean of its divisors is an integer number (11599036137).

Almost surely, 2^23198072273 is an apocalyptic number.

It is an amenable number.

23198072273 is a deficient number, since it is larger than the sum of its proper divisors (1).

23198072273 is an equidigital number, since it uses as much as digits as its factorization.

23198072273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 44.

The spelling of 23198072273 in words is "twenty-three billion, one hundred ninety-eight million, seventy-two thousand, two hundred seventy-three".