523356623 has 4 divisors (see below), whose sum is σ = 523409280. Its totient is φ = 523303968.

The previous prime is 523356571. The next prime is 523356641. The reversal of 523356623 is 326653325.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 523356623 - 2²⁴ = 506579407 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 (523356683) 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, 6383 + ... + 32976.

It is an arithmetic number, because the mean of its divisors is an integer number (130852320).

Almost surely, 2^523356623 is an apocalyptic number.

523356623 is a deficient number, since it is larger than the sum of its proper divisors (52657).

523356623 is a wasteful number, since it uses less digits than its factorization.

523356623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52656.

The product of its digits is 97200, while the sum is 35.

The square root of 523356623 is about 22876.9889408550. The cubic root of 523356623 is about 805.8717062086.

The spelling of 523356623 in words is "five hundred twenty-three million, three hundred fifty-six thousand, six hundred twenty-three".