505410105623 has 8 divisors (see below), whose sum is σ = 513165531648. Its totient is φ = 497694349944.

The previous prime is 505410105533. The next prime is 505410105631. The reversal of 505410105623 is 326501014505.

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

It is a cyclic number.

It is not a de Polignac number, because 505410105623 - 2²² = 505405911319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 505410105623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505410104623) 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, 9891911 + ... + 9942872.

It is an arithmetic number, because the mean of its divisors is an integer number (64145691456).

Almost surely, 2^505410105623 is an apocalyptic number.

505410105623 is a deficient number, since it is larger than the sum of its proper divisors (7755426025).

505410105623 is a wasteful number, since it uses less digits than its factorization.

505410105623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19835173.

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 505410105623 in words is "five hundred five billion, four hundred ten million, one hundred five thousand, six hundred twenty-three".