123216409233 has 48 divisors (see below), whose sum is σ = 181756411200. Its totient is φ = 80421973632.

The previous prime is 123216409231. The next prime is 123216409291. The reversal of 123216409233 is 332904612321.

123216409233 is a `hidden beast` number, since 1 + 2 + 3 + 2 + 1 + 640 + 9 + 2 + 3 + 3 = 666.

It is not a de Polignac number, because 123216409233 - 2¹ = 123216409231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123216409231) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48337843 + ... + 48340391.

It is an arithmetic number, because the mean of its divisors is an integer number (3786591900).

Almost surely, 2^123216409233 is an apocalyptic number.

It is an amenable number.

123216409233 is a deficient number, since it is larger than the sum of its proper divisors (58540001967).

123216409233 is a wasteful number, since it uses less digits than its factorization.

123216409233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3198 (or 3195 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The spelling of 123216409233 in words is "one hundred twenty-three billion, two hundred sixteen million, four hundred nine thousand, two hundred thirty-three".