123023200277 has 2 divisors, whose sum is σ = 123023200278. Its totient is φ = 123023200276.

The previous prime is 123023200247. The next prime is 123023200319. The reversal of 123023200277 is 772002320321.

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., 122812398916 + 210801361 = 350446^2 + 14519^2 .

It is a cyclic number.

It is not a de Polignac number, because 123023200277 - 2¹⁰ = 123023199253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123023200247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61511600138 + 61511600139.

It is an arithmetic number, because the mean of its divisors is an integer number (61511600139).

Almost surely, 2^123023200277 is an apocalyptic number.

It is an amenable number.

123023200277 is a deficient number, since it is larger than the sum of its proper divisors (1).

123023200277 is an equidigital number, since it uses as much as digits as its factorization.

123023200277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 29.

Adding to 123023200277 its reverse (772002320321), we get a palindrome (895025520598).

The spelling of 123023200277 in words is "one hundred twenty-three billion, twenty-three million, two hundred thousand, two hundred seventy-seven".