123144104 has 16 divisors (see below), whose sum is σ = 234148320. Its totient is φ = 60704560.

The previous prime is 123144101. The next prime is 123144143. The reversal of 123144104 is 401441321.

It is not an unprimeable number, because it can be changed into a prime (123144101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107834 + ... + 108969.

It is an arithmetic number, because the mean of its divisors is an integer number (14634270).

Almost surely, 2^123144104 is an apocalyptic number.

It is an amenable number.

123144104 is a deficient number, since it is larger than the sum of its proper divisors (111004216).

123144104 is a wasteful number, since it uses less digits than its factorization.

123144104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216880 (or 216876 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 123144104 is about 11097.0313147256. The cubic root of 123144104 is about 497.5131233965.

Adding to 123144104 its reverse (401441321), we get a palindrome (524585425).

The spelling of 123144104 in words is "one hundred twenty-three million, one hundred forty-four thousand, one hundred four".