123012032309077 has 2 divisors, whose sum is σ = 123012032309078. Its totient is φ = 123012032309076.

The previous prime is 123012032309003. The next prime is 123012032309081. The reversal of 123012032309077 is 770903230210321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93323057668996 + 29688974640081 = 9660386^2 + 5448759^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123012032309077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123012032309377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61506016154538 + 61506016154539.

It is an arithmetic number, because the mean of its divisors is an integer number (61506016154539).

Almost surely, 2^{123012032309077} is an apocalyptic number.

It is an amenable number.

123012032309077 is a deficient number, since it is larger than the sum of its proper divisors (1).

123012032309077 is an equidigital number, since it uses as much as digits as its factorization.

123012032309077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 40.

Adding to 123012032309077 its reverse (770903230210321), we get a palindrome (893915262519398).

The spelling of 123012032309077 in words is "one hundred twenty-three trillion, twelve billion, thirty-two million, three hundred nine thousand, seventy-seven".