523128030 has 16 divisors (see below), whose sum is σ = 1255507344. Its totient is φ = 139500800.

The previous prime is 523128019. The next prime is 523128041. The reversal of 523128030 is 30821325.

It is an interprime number because it is at equal distance from previous prime (523128019) and next prime (523128041).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8718771 + ... + 8718830.

It is an arithmetic number, because the mean of its divisors is an integer number (78469209).

Almost surely, 2^523128030 is an apocalyptic number.

523128030 is an abundant number, since it is smaller than the sum of its proper divisors (732379314).

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

523128030 is a wasteful number, since it uses less digits than its factorization.

523128030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17437611.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 523128030 is about 22871.9922612789. The cubic root of 523128030 is about 805.7543589096.

Adding to 523128030 its reverse (30821325), we get a palindrome (553949355).

The spelling of 523128030 in words is "five hundred twenty-three million, one hundred twenty-eight thousand, thirty".