123340044 has 12 divisors (see below), whose sum is σ = 287793464. Its totient is φ = 41113344.

The previous prime is 123340043. The next prime is 123340051. The reversal of 123340044 is 440043321.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 123340044.

It is not an unprimeable number, because it can be changed into a prime (123340043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5139157 + ... + 5139180.

Almost surely, 2^123340044 is an apocalyptic number.

It is an amenable number.

123340044 is an abundant number, since it is smaller than the sum of its proper divisors (164453420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123340044 is a wasteful number, since it uses less digits than its factorization.

123340044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10278344 (or 10278342 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 123340044 is about 11105.8562929654. The cubic root of 123340044 is about 497.7768552382.

Adding to 123340044 its reverse (440043321), we get a palindrome (563383365).

The spelling of 123340044 in words is "one hundred twenty-three million, three hundred forty thousand, forty-four".