12828651023 has 4 divisors (see below), whose sum is σ = 12829087920. Its totient is φ = 12828214128.

The previous prime is 12828650971. The next prime is 12828651029. The reversal of 12828651023 is 32015682821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32015682821 = 271 ⋅118139051.

It is a cyclic number.

It is not a de Polignac number, because 12828651023 - 2²⁶ = 12761542159 is a prime.

It is a super-3 number, since 3×12828651023³ (a number of 31 digits) contains 333 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 (12828651029) 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, 170963 + ... + 234276.

It is an arithmetic number, because the mean of its divisors is an integer number (3207271980).

Almost surely, 2^12828651023 is an apocalyptic number.

12828651023 is a deficient number, since it is larger than the sum of its proper divisors (436897).

12828651023 is an equidigital number, since it uses as much as digits as its factorization.

12828651023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436896.

The product of its (nonzero) digits is 46080, while the sum is 38.

The spelling of 12828651023 in words is "twelve billion, eight hundred twenty-eight million, six hundred fifty-one thousand, twenty-three".