523303224 has 32 divisors (see below), whose sum is σ = 1312897920. Its totient is φ = 173815776.

The previous prime is 523303181. The next prime is 523303259. The reversal of 523303224 is 422303325.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 523303194 and 523303203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31732 + ... + 45315.

It is an arithmetic number, because the mean of its divisors is an integer number (41028060).

Almost surely, 2^523303224 is an apocalyptic number.

It is an amenable number.

523303224 is an abundant number, since it is smaller than the sum of its proper divisors (789594696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

523303224 is a wasteful number, since it uses less digits than its factorization.

523303224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77339 (or 77335 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 523303224 is about 22875.8218213029. The cubic root of 523303224 is about 805.8442971055.

Adding to 523303224 its reverse (422303325), we get a palindrome (945606549).

The spelling of 523303224 in words is "five hundred twenty-three million, three hundred three thousand, two hundred twenty-four".