23240144273 has 2 divisors, whose sum is σ = 23240144274. Its totient is φ = 23240144272.

The previous prime is 23240144261. The next prime is 23240144371. The reversal of 23240144273 is 37244104232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16623460624 + 6616683649 = 128932^2 + 81343^2 .

It is a cyclic number.

It is not a de Polignac number, because 23240144273 - 2⁸ = 23240144017 is a prime.

It is not a weakly prime, because it can be changed into another prime (23240144243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11620072136 + 11620072137.

It is an arithmetic number, because the mean of its divisors is an integer number (11620072137).

Almost surely, 2^23240144273 is an apocalyptic number.

It is an amenable number.

23240144273 is a deficient number, since it is larger than the sum of its proper divisors (1).

23240144273 is an equidigital number, since it uses as much as digits as its factorization.

23240144273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 32.

The spelling of 23240144273 in words is "twenty-three billion, two hundred forty million, one hundred forty-four thousand, two hundred seventy-three".