123233210198 has 16 divisors (see below), whose sum is σ = 211349602464. Its totient is φ = 52791065280.

The previous prime is 123233210197. The next prime is 123233210251. The reversal of 123233210198 is 891012332321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123233210197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1897565 + ... + 1961432.

It is an arithmetic number, because the mean of its divisors is an integer number (13209350154).

Almost surely, 2^123233210198 is an apocalyptic number.

123233210198 is a deficient number, since it is larger than the sum of its proper divisors (88116392266).

123233210198 is a wasteful number, since it uses less digits than its factorization.

123233210198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3861287.

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 123233210198 in words is "one hundred twenty-three billion, two hundred thirty-three million, two hundred ten thousand, one hundred ninety-eight".