1023788106 has 64 divisors (see below), whose sum is σ = 2489564160. Its totient is φ = 309282480.

The previous prime is 1023788099. The next prime is 1023788107. The reversal of 1023788106 is 6018873201.

It is not an unprimeable number, because it can be changed into a prime (1023788107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 203635 + ... + 208601.

It is an arithmetic number, because the mean of its divisors is an integer number (38899440).

Almost surely, 2^1023788106 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1023788106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1244782080).

1023788106 is an abundant number, since it is smaller than the sum of its proper divisors (1465776054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1023788106 is a wasteful number, since it uses less digits than its factorization.

1023788106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5336 (or 5330 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 1023788106 is about 31996.6889849559. The cubic root of 1023788106 is about 1007.8673117577.

The spelling of 1023788106 in words is "one billion, twenty-three million, seven hundred eighty-eight thousand, one hundred six".