123305646233 has 16 divisors (see below), whose sum is σ = 153743594496. Its totient is φ = 96074897040.

The previous prime is 123305646229. The next prime is 123305646251. The reversal of 123305646233 is 332646503321.

It is a cyclic number.

It is not a de Polignac number, because 123305646233 - 2² = 123305646229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123305646223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1076060 + ... + 1185122.

It is an arithmetic number, because the mean of its divisors is an integer number (9608974656).

Almost surely, 2^123305646233 is an apocalyptic number.

It is an amenable number.

123305646233 is a deficient number, since it is larger than the sum of its proper divisors (30437948263).

123305646233 is a wasteful number, since it uses less digits than its factorization.

123305646233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123764.

The product of its (nonzero) digits is 233280, while the sum is 38.

The spelling of 123305646233 in words is "one hundred twenty-three billion, three hundred five million, six hundred forty-six thousand, two hundred thirty-three".