10120323405 has 16 divisors (see below), whose sum is σ = 16223609664. Its totient is φ = 5387141760.

The previous prime is 10120323379. The next prime is 10120323439. The reversal of 10120323405 is 50432302101.

It is not a de Polignac number, because 10120323405 - 2²⁰ = 10119274829 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 639679 + ... + 655308.

It is an arithmetic number, because the mean of its divisors is an integer number (1013975604).

Almost surely, 2^10120323405 is an apocalyptic number.

10120323405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10120323405 is a deficient number, since it is larger than the sum of its proper divisors (6103286259).

10120323405 is a wasteful number, since it uses less digits than its factorization.

10120323405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295516.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 10120323405 its reverse (50432302101), we get a palindrome (60552625506).

The spelling of 10120323405 in words is "ten billion, one hundred twenty million, three hundred twenty-three thousand, four hundred five".