123430434104 has 32 divisors (see below), whose sum is σ = 236574270000. Its totient is φ = 60354803712.

The previous prime is 123430434089. The next prime is 123430434121. The reversal of 123430434104 is 401434034321.

It is a happy number.

It is a congruent 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, 586379 + ... + 768570.

Almost surely, 2^123430434104 is an apocalyptic number.

It is an amenable number.

123430434104 is a deficient number, since it is larger than the sum of its proper divisors (113143835896).

123430434104 is a wasteful number, since it uses less digits than its factorization.

123430434104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355207 (or 1355203 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 123430434104 its reverse (401434034321), we get a palindrome (524864468425).

The spelling of 123430434104 in words is "one hundred twenty-three billion, four hundred thirty million, four hundred thirty-four thousand, one hundred four".