123426572216 has 16 divisors (see below), whose sum is σ = 231847911240. Its totient is φ = 61600462560.

The previous prime is 123426572179. The next prime is 123426572237. The reversal of 123426572216 is 612275624321.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 14098295 + ... + 14107046.

Almost surely, 2^123426572216 is an apocalyptic number.

It is an amenable number.

123426572216 is a deficient number, since it is larger than the sum of its proper divisors (108421339024).

123426572216 is a wasteful number, since it uses less digits than its factorization.

123426572216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28205894 (or 28205890 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The spelling of 123426572216 in words is "one hundred twenty-three billion, four hundred twenty-six million, five hundred seventy-two thousand, two hundred sixteen".