123776229317 has 4 divisors (see below), whose sum is σ = 133297477740. Its totient is φ = 114254980896.

The previous prime is 123776229307. The next prime is 123776229319. The reversal of 123776229317 is 713922677321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9401047681 + 114375181636 = 96959^2 + 338194^2 .

It is a cyclic number.

It is not a de Polignac number, because 123776229317 - 2⁶ = 123776229253 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 (123776229319) 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, 4760624192 + ... + 4760624217.

It is an arithmetic number, because the mean of its divisors is an integer number (33324369435).

Almost surely, 2^123776229317 is an apocalyptic number.

It is an amenable number.

123776229317 is a deficient number, since it is larger than the sum of its proper divisors (9521248423).

123776229317 is an equidigital number, since it uses as much as digits as its factorization.

123776229317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9521248422.

The product of its digits is 1333584, while the sum is 50.

The spelling of 123776229317 in words is "one hundred twenty-three billion, seven hundred seventy-six million, two hundred twenty-nine thousand, three hundred seventeen".