123425434 has 16 divisors (see below), whose sum is σ = 203972256. Its totient is φ = 55546000.

The previous prime is 123425417. The next prime is 123425453. The reversal of 123425434 is 434524321.

It is a happy number.

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, 25552 + ... + 29995.

It is an arithmetic number, because the mean of its divisors is an integer number (12748266).

Almost surely, 2^123425434 is an apocalyptic number.

123425434 is a deficient number, since it is larger than the sum of its proper divisors (80546822).

123425434 is a wasteful number, since it uses less digits than its factorization.

123425434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55661.

The product of its digits is 11520, while the sum is 28.

The square root of 123425434 is about 11109.6999959495. The cubic root of 123425434 is about 497.8917013149.

Adding to 123425434 its reverse (434524321), we get a palindrome (557949755).

The spelling of 123425434 in words is "one hundred twenty-three million, four hundred twenty-five thousand, four hundred thirty-four".