523020414 has 48 divisors (see below), whose sum is σ = 1269744768. Its totient is φ = 142935408.

The previous prime is 523020413. The next prime is 523020431. The reversal of 523020414 is 414020325.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523020413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31912 + ... + 45435.

It is an arithmetic number, because the mean of its divisors is an integer number (26453016).

Almost surely, 2^523020414 is an apocalyptic number.

523020414 is an abundant number, since it is smaller than the sum of its proper divisors (746724354).

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

523020414 is a wasteful number, since it uses less digits than its factorization.

523020414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77389 (or 77382 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 523020414 is about 22869.6395686508. The cubic root of 523020414 is about 805.6991028328.

Adding to 523020414 its reverse (414020325), we get a palindrome (937040739).

The spelling of 523020414 in words is "five hundred twenty-three million, twenty thousand, four hundred fourteen".