123481844 has 6 divisors (see below), whose sum is σ = 216093234. Its totient is φ = 61740920.

The previous prime is 123481843. The next prime is 123481861. The reversal of 123481844 is 448184321.

It can be written as a sum of positive squares in only one way, i.e., 84419344 + 39062500 = 9188^2 + 6250^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123481843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15435227 + ... + 15435234.

It is an arithmetic number, because the mean of its divisors is an integer number (36015539).

Almost surely, 2^123481844 is an apocalyptic number.

It is an amenable number.

123481844 is a deficient number, since it is larger than the sum of its proper divisors (92611390).

123481844 is a wasteful number, since it uses less digits than its factorization.

123481844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30870465 (or 30870463 counting only the distinct ones).

The product of its digits is 24576, while the sum is 35.

The square root of 123481844 is about 11112.2384783625. The cubic root of 123481844 is about 497.9675414187.

The spelling of 123481844 in words is "one hundred twenty-three million, four hundred eighty-one thousand, eight hundred forty-four".