123932580547 has 4 divisors (see below), whose sum is σ = 126955326456. Its totient is φ = 120909834640.

The previous prime is 123932580529. The next prime is 123932580571. The reversal of 123932580547 is 745085239321.

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

It is a cyclic number.

It is not a de Polignac number, because 123932580547 - 2¹¹ = 123932578499 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123932580547.

It is not an unprimeable number, because it can be changed into a prime (123932280547) 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, 1511372893 + ... + 1511372974.

It is an arithmetic number, because the mean of its divisors is an integer number (31738831614).

Almost surely, 2^123932580547 is an apocalyptic number.

123932580547 is a deficient number, since it is larger than the sum of its proper divisors (3022745909).

123932580547 is an equidigital number, since it uses as much as digits as its factorization.

123932580547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3022745908.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 123932580547 in words is "one hundred twenty-three billion, nine hundred thirty-two million, five hundred eighty thousand, five hundred forty-seven".