123434434 has 8 divisors (see below), whose sum is σ = 186850620. Its totient is φ = 61150896.

The previous prime is 123434429. The next prime is 123434449. The reversal of 123434434 is 434434321.

It can be written as a sum of positive squares in 2 ways, for example, as 122168809 + 1265625 = 11053^2 + 1125^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282889 + ... + 283324.

Almost surely, 2^123434434 is an apocalyptic number.

123434434 is a deficient number, since it is larger than the sum of its proper divisors (63416186).

123434434 is a wasteful number, since it uses less digits than its factorization.

123434434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566324.

The product of its digits is 13824, while the sum is 28.

The square root of 123434434 is about 11110.1050400075. The cubic root of 123434434 is about 497.9038028628.

Adding to 123434434 its reverse (434434321), we get a palindrome (557868755).

The spelling of 123434434 in words is "one hundred twenty-three million, four hundred thirty-four thousand, four hundred thirty-four".