523056402 has 48 divisors (see below), whose sum is σ = 1239675840. Its totient is φ = 158071200.

The previous prime is 523056371. The next prime is 523056403. The reversal of 523056402 is 204650325.

It is a super-4 number, since 4×523056402⁴ (a number of 36 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (523056403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73627 + ... + 80417.

It is an arithmetic number, because the mean of its divisors is an integer number (25826580).

Almost surely, 2^523056402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 523056402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (619837920).

523056402 is an abundant number, since it is smaller than the sum of its proper divisors (716619438).

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

523056402 is a wasteful number, since it uses less digits than its factorization.

523056402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7199 (or 7196 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 523056402 is about 22870.4263624446. The cubic root of 523056402 is about 805.7175819294.

The spelling of 523056402 in words is "five hundred twenty-three million, fifty-six thousand, four hundred two".