852423520 has 96 divisors (see below), whose sum is σ = 2296431648. Its totient is φ = 296214528.

The previous prime is 852423499. The next prime is 852423527. The reversal of 852423520 is 25324258.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852423527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23307 + ... + 47413.

It is an arithmetic number, because the mean of its divisors is an integer number (23921163).

Almost surely, 2^852423520 is an apocalyptic number.

852423520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 852423520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1148215824).

852423520 is an abundant number, since it is smaller than the sum of its proper divisors (1444008128).

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

852423520 is a wasteful number, since it uses less digits than its factorization.

852423520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24152 (or 24144 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 852423520 is about 29196.2929153686. The cubic root of 852423520 is about 948.1676666416.

Adding to 852423520 its reverse (25324258), we get a palindrome (877747778).

The spelling of 852423520 in words is "eight hundred fifty-two million, four hundred twenty-three thousand, five hundred twenty".