105530040523 has 8 divisors (see below), whose sum is σ = 105777100800. Its totient is φ = 105283092648.

The previous prime is 105530040409. The next prime is 105530040533. The reversal of 105530040523 is 325040035501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105530040523 is a prime.

It is a super-2 number, since 2×105530040523² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105530040491 and 105530040500.

It is not an unprimeable number, because it can be changed into a prime (105530040533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2025838 + ... + 2077276.

It is an arithmetic number, because the mean of its divisors is an integer number (13222137600).

Almost surely, 2^105530040523 is an apocalyptic number.

105530040523 is a deficient number, since it is larger than the sum of its proper divisors (247060277).

105530040523 is an equidigital number, since it uses as much as digits as its factorization.

105530040523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56201.

The product of its (nonzero) digits is 9000, while the sum is 28.

The spelling of 105530040523 in words is "one hundred five billion, five hundred thirty million, forty thousand, five hundred twenty-three".