12000023 has 4 divisors (see below), whose sum is σ = 13714320. Its totient is φ = 10285728.

The previous prime is 12000017. The next prime is 12000029. The reversal of 12000023 is 32000021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32000021 = 29 ⋅1103449.

It is an interprime number because it is at equal distance from previous prime (12000017) and next prime (12000029).

It is a cyclic number.

It is not a de Polignac number, because 12000023 - 2¹² = 11995927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 857138 + ... + 857151.

It is an arithmetic number, because the mean of its divisors is an integer number (3428580).

Almost surely, 2^12000023 is an apocalyptic number.

12000023 is a deficient number, since it is larger than the sum of its proper divisors (1714297).

12000023 is an equidigital number, since it uses as much as digits as its factorization.

12000023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714296.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 12000023 is about 3464.1049349002. The cubic root of 12000023 is about 228.9429947796.

Adding to 12000023 its reverse (32000021), we get a palindrome (44000044).

The spelling of 12000023 in words is "twelve million, twenty-three", and thus it is an aban number and an uban number.