12800023 has 4 divisors (see below), whose sum is σ = 12932080. Its totient is φ = 12667968.

The previous prime is 12800017. The next prime is 12800041. The reversal of 12800023 is 32000821.

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: 32000821 = 1061 ⋅30161.

It is a cyclic number.

It is not a de Polignac number, because 12800023 - 2¹⁷ = 12668951 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 (12800063) 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, 65883 + ... + 66076.

It is an arithmetic number, because the mean of its divisors is an integer number (3233020).

Almost surely, 2^12800023 is an apocalyptic number.

12800023 is a deficient number, since it is larger than the sum of its proper divisors (132057).

12800023 is an equidigital number, since it uses as much as digits as its factorization.

12800023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132056.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 12800023 is about 3577.7119783459. The cubic root of 12800023 is about 233.9215591661.

Adding to 12800023 its reverse (32000821), we get a palindrome (44800844).

The spelling of 12800023 in words is "twelve million, eight hundred thousand, twenty-three".