106521113223 has 48 divisors (see below), whose sum is σ = 178906690560. Its totient is φ = 59810125248.

The previous prime is 106521113207. The next prime is 106521113329. The reversal of 106521113223 is 322311125601.

106521113223 is a `hidden beast` number, since 1 + 0 + 6 + 521 + 1 + 132 + 2 + 3 = 666.

It is not a de Polignac number, because 106521113223 - 2⁴ = 106521113207 is a prime.

It is a super-2 number, since 2×106521113223² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106521113203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10279761 + ... + 10290117.

It is an arithmetic number, because the mean of its divisors is an integer number (3727222720).

Almost surely, 2^106521113223 is an apocalyptic number.

106521113223 is a deficient number, since it is larger than the sum of its proper divisors (72385577337).

106521113223 is a wasteful number, since it uses less digits than its factorization.

106521113223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13196 (or 13193 counting only the distinct ones).

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

Adding to 106521113223 its reverse (322311125601), we get a palindrome (428832238824).

The spelling of 106521113223 in words is "one hundred six billion, five hundred twenty-one million, one hundred thirteen thousand, two hundred twenty-three".