12032100023 has 4 divisors (see below), whose sum is σ = 12033202200. Its totient is φ = 12030997848.

The previous prime is 12032100019. The next prime is 12032100089. The reversal of 12032100023 is 32000123021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32000123021 = 69431 ⋅460891.

It is a cyclic number.

It is not a de Polignac number, because 12032100023 - 2² = 12032100019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12032099980 and 12032100007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12032100823) by changing a digit.

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, 534548 + ... + 556601.

It is an arithmetic number, because the mean of its divisors is an integer number (3008300550).

Almost surely, 2^12032100023 is an apocalyptic number.

12032100023 is a deficient number, since it is larger than the sum of its proper divisors (1102177).

12032100023 is a wasteful number, since it uses less digits than its factorization.

12032100023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102176.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 12032100023 its reverse (32000123021), we get a palindrome (44032223044).

The spelling of 12032100023 in words is "twelve billion, thirty-two million, one hundred thousand, twenty-three".