123012032310077 has 2 divisors, whose sum is σ = 123012032310078. Its totient is φ = 123012032310076.

The previous prime is 123012032310073. The next prime is 123012032310109. The reversal of 123012032310077 is 770013230210321.

It is an a-pointer prime, because the next prime (123012032310109) can be obtained adding 123012032310077 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90933560456281 + 32078471853796 = 9535909^2 + 5663786^2 .

It is a cyclic number.

It is not a de Polignac number, because 123012032310077 - 2² = 123012032310073 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123012032310073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61506016155038 + 61506016155039.

It is an arithmetic number, because the mean of its divisors is an integer number (61506016155039).

Almost surely, 2^{123012032310077} is an apocalyptic number.

It is an amenable number.

123012032310077 is a deficient number, since it is larger than the sum of its proper divisors (1).

123012032310077 is an equidigital number, since it uses as much as digits as its factorization.

123012032310077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 32.

Adding to 123012032310077 its reverse (770013230210321), we get a palindrome (893025262520398).

The spelling of 123012032310077 in words is "one hundred twenty-three trillion, twelve billion, thirty-two million, three hundred ten thousand, seventy-seven".