10128384923 has 4 divisors (see below), whose sum is σ = 10151885088. Its totient is φ = 10104884760.

The previous prime is 10128384913. The next prime is 10128384941. The reversal of 10128384923 is 32948382101.

10128384923 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32948382101 = 17327 ⋅1901563.

It is a cyclic number.

It is not a de Polignac number, because 10128384923 - 2¹² = 10128380827 is a prime.

It is a super-2 number, since 2×10128384923² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10128384913) 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, 11749436 + ... + 11750297.

It is an arithmetic number, because the mean of its divisors is an integer number (2537971272).

Almost surely, 2^10128384923 is an apocalyptic number.

10128384923 is a deficient number, since it is larger than the sum of its proper divisors (23500165).

10128384923 is an equidigital number, since it uses as much as digits as its factorization.

10128384923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23500164.

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 10128384923 in words is "ten billion, one hundred twenty-eight million, three hundred eighty-four thousand, nine hundred twenty-three".