123147234 has 24 divisors (see below), whose sum is σ = 304936320. Its totient is φ = 35184888.

The previous prime is 123147229. The next prime is 123147251. The reversal of 123147234 is 432741321.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 123147198 and 123147207.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 488554 + ... + 488805.

It is an arithmetic number, because the mean of its divisors is an integer number (12705680).

Almost surely, 2^123147234 is an apocalyptic number.

123147234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

123147234 is an abundant number, since it is smaller than the sum of its proper divisors (181789086).

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

123147234 is a wasteful number, since it uses less digits than its factorization.

123147234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977374 (or 977371 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 123147234 is about 11097.1723425384. The cubic root of 123147234 is about 497.5173385202.

Adding to 123147234 its reverse (432741321), we get a palindrome (555888555).

The spelling of 123147234 in words is "one hundred twenty-three million, one hundred forty-seven thousand, two hundred thirty-four".