123056209275 has 24 divisors (see below), whose sum is σ = 204067635264. Its totient is φ = 65431687200.

The previous prime is 123056209259. The next prime is 123056209301. The reversal of 123056209275 is 572902650321.

It is not a de Polignac number, because 123056209275 - 2⁴ = 123056209259 is a prime.

It is a super-2 number, since 2×123056209275² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2453649 + ... + 2503298.

It is an arithmetic number, because the mean of its divisors is an integer number (8502818136).

Almost surely, 2^123056209275 is an apocalyptic number.

123056209275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123056209275 is a deficient number, since it is larger than the sum of its proper divisors (81011425989).

123056209275 is a wasteful number, since it uses less digits than its factorization.

123056209275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4957291 (or 4957286 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 42.

Adding to 123056209275 its reverse (572902650321), we get a palindrome (695958859596).

The spelling of 123056209275 in words is "one hundred twenty-three billion, fifty-six million, two hundred nine thousand, two hundred seventy-five".