123005114077 has 4 divisors (see below), whose sum is σ = 125325965340. Its totient is φ = 120684262816.

The previous prime is 123005114059. The next prime is 123005114083. The reversal of 123005114077 is 770411500321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 770411500321 = 12959 ⋅59449919.

It can be written as a sum of positive squares in 2 ways, for example, as 49452419641 + 73552694436 = 222379^2 + 271206^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123005114077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123005114027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1160425552 + ... + 1160425657.

It is an arithmetic number, because the mean of its divisors is an integer number (31331491335).

Almost surely, 2^123005114077 is an apocalyptic number.

It is an amenable number.

123005114077 is a deficient number, since it is larger than the sum of its proper divisors (2320851263).

123005114077 is an equidigital number, since it uses as much as digits as its factorization.

123005114077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2320851262.

The product of its (nonzero) digits is 5880, while the sum is 31.

Adding to 123005114077 its reverse (770411500321), we get a palindrome (893416614398).

The spelling of 123005114077 in words is "one hundred twenty-three billion, five million, one hundred fourteen thousand, seventy-seven".