23357647273 has 2 divisors, whose sum is σ = 23357647274. Its totient is φ = 23357647272.

The previous prime is 23357647249. The next prime is 23357647289. The reversal of 23357647273 is 37274675332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21707012889 + 1650634384 = 147333^2 + 40628^2 .

It is a cyclic number.

It is not a de Polignac number, because 23357647273 - 2⁹ = 23357646761 is a prime.

It is a super-2 number, since 2×23357647273² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23357647373) 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, 11678823636 + 11678823637.

It is an arithmetic number, because the mean of its divisors is an integer number (11678823637).

Almost surely, 2^23357647273 is an apocalyptic number.

It is an amenable number.

23357647273 is a deficient number, since it is larger than the sum of its proper divisors (1).

23357647273 is an equidigital number, since it uses as much as digits as its factorization.

23357647273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4445280, while the sum is 49.

The spelling of 23357647273 in words is "twenty-three billion, three hundred fifty-seven million, six hundred forty-seven thousand, two hundred seventy-three".