123103144 has 32 divisors (see below), whose sum is σ = 245248200. Its totient is φ = 57818880.

The previous prime is 123103111. The next prime is 123103151. The reversal of 123103144 is 441301321.

It can be written as a sum of positive squares in 4 ways, for example, as 96786244 + 26316900 = 9838^2 + 5130^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1414 + ... + 15754.

Almost surely, 2^123103144 is an apocalyptic number.

It is an amenable number.

123103144 is a deficient number, since it is larger than the sum of its proper divisors (122145056).

123103144 is a wasteful number, since it uses less digits than its factorization.

123103144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14413 (or 14409 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 123103144 is about 11095.1856226023. The cubic root of 123103144 is about 497.4579565996.

Adding to 123103144 its reverse (441301321), we get a palindrome (564404465).

The spelling of 123103144 in words is "one hundred twenty-three million, one hundred three thousand, one hundred forty-four".