123276647305 has 64 divisors (see below), whose sum is σ = 181782720000. Its totient is φ = 80000815104.

The previous prime is 123276647303. The next prime is 123276647311. The reversal of 123276647305 is 503746672321.

It is not a de Polignac number, because 123276647305 - 2¹ = 123276647303 is a prime.

It is a super-2 number, since 2×123276647305² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123276647303) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 57902481 + ... + 57904609.

It is an arithmetic number, because the mean of its divisors is an integer number (2840355000).

Almost surely, 2^123276647305 is an apocalyptic number.

It is an amenable number.

123276647305 is a deficient number, since it is larger than the sum of its proper divisors (58506072695).

123276647305 is a wasteful number, since it uses less digits than its factorization.

123276647305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3951 (or 3937 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 46.

The spelling of 123276647305 in words is "one hundred twenty-three billion, two hundred seventy-six million, six hundred forty-seven thousand, three hundred five".