505233523 has 4 divisors (see below), whose sum is σ = 534953160. Its totient is φ = 475513888.

The previous prime is 505233499. The next prime is 505233527. The reversal of 505233523 is 325332505.

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 505233523 - 2²¹ = 503136371 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 505233491 and 505233500.

It is not an unprimeable number, because it can be changed into a prime (505233527) 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, 14859793 + ... + 14859826.

It is an arithmetic number, because the mean of its divisors is an integer number (133738290).

Almost surely, 2^505233523 is an apocalyptic number.

505233523 is a deficient number, since it is larger than the sum of its proper divisors (29719637).

505233523 is a wasteful number, since it uses less digits than its factorization.

505233523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29719636.

The product of its (nonzero) digits is 13500, while the sum is 28.

The square root of 505233523 is about 22477.4002722735. The cubic root of 505233523 is about 796.4601531870.

The spelling of 505233523 in words is "five hundred five million, two hundred thirty-three thousand, five hundred twenty-three".