12288307023 has 12 divisors (see below), whose sum is σ = 17758087360. Its totient is φ = 8188369056.

The previous prime is 12288307007. The next prime is 12288307033. The reversal of 12288307023 is 32070388221.

It is a happy number.

It is not a de Polignac number, because 12288307023 - 2⁴ = 12288307007 is a prime.

It is a super-2 number, since 2×12288307023² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12288307033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 299278 + ... + 337851.

Almost surely, 2^12288307023 is an apocalyptic number.

12288307023 is a deficient number, since it is larger than the sum of its proper divisors (5469780337).

12288307023 is a wasteful number, since it uses less digits than its factorization.

12288307023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639278 (or 639275 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 12288307023 in words is "twelve billion, two hundred eighty-eight million, three hundred seven thousand, twenty-three".