1108021623 has 16 divisors (see below), whose sum is σ = 1526400000. Its totient is φ = 714205440.

The previous prime is 1108021571. The next prime is 1108021633. The reversal of 1108021623 is 3261208011.

It is not a de Polignac number, because 1108021623 - 2⁹ = 1108021111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1108021593 and 1108021602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1108021633) 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 15 ways as a sum of consecutive naturals, for example, 111388 + ... + 120926.

It is an arithmetic number, because the mean of its divisors is an integer number (95400000).

Almost surely, 2^1108021623 is an apocalyptic number.

1108021623 is a deficient number, since it is larger than the sum of its proper divisors (418378377).

1108021623 is a wasteful number, since it uses less digits than its factorization.

1108021623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10822.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1108021623 is about 33286.9587526407. The cubic root of 1108021623 is about 1034.7833017356.

Adding to 1108021623 its reverse (3261208011), we get a palindrome (4369229634).

The spelling of 1108021623 in words is "one billion, one hundred eight million, twenty-one thousand, six hundred twenty-three".