123066547 has 4 divisors (see below), whose sum is σ = 123095160. Its totient is φ = 123037936.

The previous prime is 123066533. The next prime is 123066571. The reversal of 123066547 is 745660321.

It is a happy number.

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 123066547 - 2¹¹ = 123064499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123066577) 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, 6397 + ... + 16942.

It is an arithmetic number, because the mean of its divisors is an integer number (30773790).

Almost surely, 2^123066547 is an apocalyptic number.

123066547 is a deficient number, since it is larger than the sum of its proper divisors (28613).

123066547 is an equidigital number, since it uses as much as digits as its factorization.

123066547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28612.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 123066547 is about 11093.5362711806. The cubic root of 123066547 is about 497.4086557379.

The spelling of 123066547 in words is "one hundred twenty-three million, sixty-six thousand, five hundred forty-seven".