505535102623 has 4 divisors (see below), whose sum is σ = 512655315408. Its totient is φ = 498414889840.

The previous prime is 505535102621. The next prime is 505535102629. The reversal of 505535102623 is 326201535505.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 505535102623 - 2¹ = 505535102621 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 (505535102621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3560106286 + ... + 3560106427.

It is an arithmetic number, because the mean of its divisors is an integer number (128163828852).

Almost surely, 2^505535102623 is an apocalyptic number.

505535102623 is a deficient number, since it is larger than the sum of its proper divisors (7120212785).

505535102623 is an equidigital number, since it uses as much as digits as its factorization.

505535102623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7120212784.

The product of its (nonzero) digits is 135000, while the sum is 37.

The spelling of 505535102623 in words is "five hundred five billion, five hundred thirty-five million, one hundred two thousand, six hundred twenty-three".