123011132177 has 2 divisors, whose sum is σ = 123011132178. Its totient is φ = 123011132176.

The previous prime is 123011132159. The next prime is 123011132183. The reversal of 123011132177 is 771231110321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122937189376 + 73942801 = 350624^2 + 8599^2 .

It is a cyclic number.

It is not a de Polignac number, because 123011132177 - 2⁸ = 123011131921 is a prime.

It is not a weakly prime, because it can be changed into another prime (123011132107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61505566088 + 61505566089.

It is an arithmetic number, because the mean of its divisors is an integer number (61505566089).

Almost surely, 2^123011132177 is an apocalyptic number.

It is an amenable number.

123011132177 is a deficient number, since it is larger than the sum of its proper divisors (1).

123011132177 is an equidigital number, since it uses as much as digits as its factorization.

123011132177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 29.

Adding to 123011132177 its reverse (771231110321), we get a palindrome (894242242498).

The spelling of 123011132177 in words is "one hundred twenty-three billion, eleven million, one hundred thirty-two thousand, one hundred seventy-seven".