10229779123 has 4 divisors (see below), whose sum is σ = 10283338368. Its totient is φ = 10176219880.

The previous prime is 10229779111. The next prime is 10229779201. The reversal of 10229779123 is 32197792201.

10229779123 is digitally balanced in base 2, 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10229779123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10229779123.

It is not an unprimeable number, because it can be changed into a prime (10229779523) 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 3 ways as a sum of consecutive naturals, for example, 26779336 + ... + 26779717.

It is an arithmetic number, because the mean of its divisors is an integer number (2570834592).

Almost surely, 2^10229779123 is an apocalyptic number.

10229779123 is a deficient number, since it is larger than the sum of its proper divisors (53559245).

10229779123 is an equidigital number, since it uses as much as digits as its factorization.

10229779123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53559244.

The product of its (nonzero) digits is 95256, while the sum is 43.

The spelling of 10229779123 in words is "ten billion, two hundred twenty-nine million, seven hundred seventy-nine thousand, one hundred twenty-three".