10123028421 has 16 divisors (see below), whose sum is σ = 14726369280. Its totient is φ = 6134350320.

The previous prime is 10123028417. The next prime is 10123028423. The reversal of 10123028421 is 12482032101.

10123028421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10123028421 - 2² = 10123028417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10123028391 and 10123028400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10123028423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310620 + ... + 341658.

It is an arithmetic number, because the mean of its divisors is an integer number (920398080).

Almost surely, 2^10123028421 is an apocalyptic number.

10123028421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10123028421 is a deficient number, since it is larger than the sum of its proper divisors (4603340859).

10123028421 is a wasteful number, since it uses less digits than its factorization.

10123028421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40936.

The product of its (nonzero) digits is 768, while the sum is 24.

The spelling of 10123028421 in words is "ten billion, one hundred twenty-three million, twenty-eight thousand, four hundred twenty-one".