123453352273 has 2 divisors, whose sum is σ = 123453352274. Its totient is φ = 123453352272.

The previous prime is 123453352271. The next prime is 123453352277. The reversal of 123453352273 is 372253354321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76636509889 + 46816842384 = 276833^2 + 216372^2 .

It is a cyclic number.

It is not a de Polignac number, because 123453352273 - 2¹ = 123453352271 is a prime.

Together with 123453352271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (123453352271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61726676136 + 61726676137.

It is an arithmetic number, because the mean of its divisors is an integer number (61726676137).

Almost surely, 2^123453352273 is an apocalyptic number.

It is an amenable number.

123453352273 is a deficient number, since it is larger than the sum of its proper divisors (1).

123453352273 is an equidigital number, since it uses as much as digits as its factorization.

123453352273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 40.

The spelling of 123453352273 in words is "one hundred twenty-three billion, four hundred fifty-three million, three hundred fifty-two thousand, two hundred seventy-three".