123548447 has 4 divisors (see below), whose sum is σ = 134780136. Its totient is φ = 112316760.

The previous prime is 123548441. The next prime is 123548471. The reversal of 123548447 is 744845321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 744845321 = 11 ⋅67713211.

It is a cyclic number.

It is not a de Polignac number, because 123548447 - 2¹⁰ = 123547423 is a prime.

It is a super-2 number, since 2×123548447² = 30528437512223618, which contains 22 as substring.

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 123548447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123548441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5615828 + ... + 5615849.

It is an arithmetic number, because the mean of its divisors is an integer number (33695034).

Almost surely, 2^123548447 is an apocalyptic number.

123548447 is a deficient number, since it is larger than the sum of its proper divisors (11231689).

123548447 is a wasteful number, since it uses less digits than its factorization.

123548447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11231688.

The product of its digits is 107520, while the sum is 38.

The square root of 123548447 is about 11115.2349053000. The cubic root of 123548447 is about 498.0570557146.

The spelling of 123548447 in words is "one hundred twenty-three million, five hundred forty-eight thousand, four hundred forty-seven".