123038686747 has 4 divisors (see below), whose sum is σ = 123793525480. Its totient is φ = 122283848016.

The previous prime is 123038686733. The next prime is 123038686751. The reversal of 123038686747 is 747686830321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 747686830321 = 509 ⋅1468932869.

It is a cyclic number.

It is not a de Polignac number, because 123038686747 - 2¹⁵ = 123038653979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123038680747) 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, 377419122 + ... + 377419447.

It is an arithmetic number, because the mean of its divisors is an integer number (30948381370).

Almost surely, 2^123038686747 is an apocalyptic number.

123038686747 is a deficient number, since it is larger than the sum of its proper divisors (754838733).

123038686747 is an equidigital number, since it uses as much as digits as its factorization.

123038686747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754838732.

The product of its (nonzero) digits is 8128512, while the sum is 55.

The spelling of 123038686747 in words is "one hundred twenty-three billion, thirty-eight million, six hundred eighty-six thousand, seven hundred forty-seven".