1106521623 has 12 divisors (see below), whose sum is σ = 1635479560. Its totient is φ = 720525456.

The previous prime is 1106521621. The next prime is 1106521627. The reversal of 1106521623 is 3261256011.

1106521623 is a `hidden beast` number, since 1 + 1 + 0 + 652 + 1 + 6 + 2 + 3 = 666.

It is not a de Polignac number, because 1106521623 - 2¹ = 1106521621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1106521621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1429228 + ... + 1430001.

Almost surely, 2^1106521623 is an apocalyptic number.

1106521623 is a deficient number, since it is larger than the sum of its proper divisors (528957937).

1106521623 is a wasteful number, since it uses less digits than its factorization.

1106521623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2859278 (or 2859275 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1106521623 is about 33264.4197754898. The cubic root of 1106521623 is about 1034.3161400022.

Adding to 1106521623 its reverse (3261256011), we get a palindrome (4367777634).

It can be divided in two parts, 1106 and 521623, that added together give a square (522729 = 723²).

The spelling of 1106521623 in words is "one billion, one hundred six million, five hundred twenty-one thousand, six hundred twenty-three".