523373620 has 192 divisors, whose sum is σ = 1491517440. Its totient is φ = 149299200.

The previous prime is 523373593. The next prime is 523373659. The reversal of 523373620 is 26373325.

It is a super-2 number, since 2×523373620² = 547839892223808800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 906772 + ... + 907348.

It is an arithmetic number, because the mean of its divisors is an integer number (7768320).

Almost surely, 2^523373620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 523373620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (745758720).

523373620 is an abundant number, since it is smaller than the sum of its proper divisors (968143820).

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

523373620 is a wasteful number, since it uses less digits than its factorization.

523373620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654 (or 652 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 31.

The square root of 523373620 is about 22877.3604246644. The cubic root of 523373620 is about 805.8804301854.

The spelling of 523373620 in words is "five hundred twenty-three million, three hundred seventy-three thousand, six hundred twenty".