123444302198 has 32 divisors (see below), whose sum is σ = 212129152320. Its totient is φ = 52777267200.

The previous prime is 123444302123. The next prime is 123444302207. The reversal of 123444302198 is 891203444321.

It is a super-2 number, since 2×123444302198² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11310368 + ... + 11321276.

It is an arithmetic number, because the mean of its divisors is an integer number (6629036010).

Almost surely, 2^123444302198 is an apocalyptic number.

123444302198 is a deficient number, since it is larger than the sum of its proper divisors (88684850122).

123444302198 is a wasteful number, since it uses less digits than its factorization.

123444302198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12792.

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 123444302198 in words is "one hundred twenty-three billion, four hundred forty-four million, three hundred two thousand, one hundred ninety-eight".