523069920 has 96 divisors (see below), whose sum is σ = 1830759840. Its totient is φ = 139484160.

The previous prime is 523069919. The next prime is 523069949. The reversal of 523069920 is 29960325.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56221 + ... + 64860.

It is an arithmetic number, because the mean of its divisors is an integer number (19070415).

Almost surely, 2^523069920 is an apocalyptic number.

It is an amenable number.

523069920 is an abundant number, since it is smaller than the sum of its proper divisors (1307689920).

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

523069920 is a wasteful number, since it uses less digits than its factorization.

523069920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121105 (or 121091 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 523069920 is about 22870.7218950343. The cubic root of 523069920 is about 805.7245229250.

It can be divided in two parts, 52306 and 9920, that added together give a palindrome (62226).

The spelling of 523069920 in words is "five hundred twenty-three million, sixty-nine thousand, nine hundred twenty".