123317242277 has 8 divisors (see below), whose sum is σ = 124489037400. Its totient is φ = 122146859520.

The previous prime is 123317242231. The next prime is 123317242283. The reversal of 123317242277 is 772242713321.

It can be written as a sum of positive squares in 4 ways, for example, as 9913985761 + 113403256516 = 99569^2 + 336754^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123317242277 - 2¹⁸ = 123316980133 is a prime.

It is a super-2 number, since 2×123317242277² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123317242177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177224 + ... + 527297.

It is an arithmetic number, because the mean of its divisors is an integer number (15561129675).

Almost surely, 2^123317242277 is an apocalyptic number.

It is an amenable number.

123317242277 is a deficient number, since it is larger than the sum of its proper divisors (1171795123).

123317242277 is a wasteful number, since it uses less digits than its factorization.

123317242277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706183.

The product of its digits is 197568, while the sum is 41.

Adding to 123317242277 its reverse (772242713321), we get a palindrome (895559955598).

The spelling of 123317242277 in words is "one hundred twenty-three billion, three hundred seventeen million, two hundred forty-two thousand, two hundred seventy-seven".