105323523550 has 48 divisors (see below), whose sum is σ = 223917766560. Its totient is φ = 36106076160.

The previous prime is 105323523533. The next prime is 105323523581. The reversal of 105323523550 is 55325323501.

It is a super-2 number, since 2×105323523550² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3434686 + ... + 3465214.

It is an arithmetic number, because the mean of its divisors is an integer number (4664953470).

Almost surely, 2^105323523550 is an apocalyptic number.

105323523550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105323523550 is an abundant number, since it is smaller than the sum of its proper divisors (118594243010).

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

105323523550 is a wasteful number, since it uses less digits than its factorization.

105323523550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40405 (or 40400 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 34.

The spelling of 105323523550 in words is "one hundred five billion, three hundred twenty-three million, five hundred twenty-three thousand, five hundred fifty".