123011203300273 has 2 divisors, whose sum is σ = 123011203300274. Its totient is φ = 123011203300272.

The previous prime is 123011203300217. The next prime is 123011203300351. The reversal of 123011203300273 is 372003302110321.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107126060429584 + 15885142870689 = 10350172^2 + 3985617^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123011203300273 is a prime.

It is a super-2 number, since 2×123011203300273² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123011203300373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61505601650136 + 61505601650137.

It is an arithmetic number, because the mean of its divisors is an integer number (61505601650137).

Almost surely, 2^{123011203300273} is an apocalyptic number.

It is an amenable number.

123011203300273 is a deficient number, since it is larger than the sum of its proper divisors (1).

123011203300273 is an equidigital number, since it uses as much as digits as its factorization.

123011203300273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 28.

Adding to 123011203300273 its reverse (372003302110321), we get a palindrome (495014505410594).

The spelling of 123011203300273 in words is "one hundred twenty-three trillion, eleven billion, two hundred three million, three hundred thousand, two hundred seventy-three".