123430200112 has 20 divisors (see below), whose sum is σ = 239294692840. Its totient is φ = 61676731008.

The previous prime is 123430200077. The next prime is 123430200121. The reversal of 123430200112 is 211002034321.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 123430200112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2371518 + ... + 2423005.

It is an arithmetic number, because the mean of its divisors is an integer number (11964734642).

Almost surely, 2^123430200112 is an apocalyptic number.

It is an amenable number.

123430200112 is a deficient number, since it is larger than the sum of its proper divisors (115864492728).

123430200112 is a wasteful number, since it uses less digits than its factorization.

123430200112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4796140 (or 4796134 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 123430200112 its reverse (211002034321), we get a palindrome (334432234433).

The spelling of 123430200112 in words is "one hundred twenty-three billion, four hundred thirty million, two hundred thousand, one hundred twelve".