523275012 has 96 divisors (see below), whose sum is σ = 1485993600. Its totient is φ = 158253696.

The previous prime is 523274993. The next prime is 523275031. The reversal of 523275012 is 210572325.

It is an interprime number because it is at equal distance from previous prime (523274993) and next prime (523275031).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79678 + ... + 85994.

It is an arithmetic number, because the mean of its divisors is an integer number (15479100).

Almost surely, 2^523275012 is an apocalyptic number.

523275012 is a gapful number since it is divisible by the number (52) 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 523275012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (742996800).

523275012 is an abundant number, since it is smaller than the sum of its proper divisors (962718588).

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

523275012 is a wasteful number, since it uses less digits than its factorization.

523275012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6402 (or 6394 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 523275012 is about 22875.2051794077. The cubic root of 523275012 is about 805.8298154520.

The spelling of 523275012 in words is "five hundred twenty-three million, two hundred seventy-five thousand, twelve".