123044361 has 64 divisors (see below), whose sum is σ = 199756800. Its totient is φ = 66528000.

The previous prime is 123044359. The next prime is 123044377. The reversal of 123044361 is 163440321.

It is not a de Polignac number, because 123044361 - 2¹ = 123044359 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123044161) 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 63 ways as a sum of consecutive naturals, for example, 1218211 + ... + 1218311.

It is an arithmetic number, because the mean of its divisors is an integer number (3121200).

Almost surely, 2^123044361 is an apocalyptic number.

123044361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123044361 is a deficient number, since it is larger than the sum of its proper divisors (76712439).

123044361 is a wasteful number, since it uses less digits than its factorization.

123044361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 123044361 is about 11092.5362744505. The cubic root of 123044361 is about 497.3787635863.

Adding to 123044361 its reverse (163440321), we get a palindrome (286484682).

The spelling of 123044361 in words is "one hundred twenty-three million, forty-four thousand, three hundred sixty-one".