523402130 has 16 divisors (see below), whose sum is σ = 942490944. Its totient is φ = 209279280.

The previous prime is 523402127. The next prime is 523402133. The reversal of 523402130 is 31204325.

It is a happy number.

523402130 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (523402127) and next prime (523402133).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (523402133) 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 7 ways as a sum of consecutive naturals, for example, 21419 + ... + 38801.

It is an arithmetic number, because the mean of its divisors is an integer number (58905684).

Almost surely, 2^523402130 is an apocalyptic number.

523402130 is a deficient number, since it is larger than the sum of its proper divisors (419088814).

523402130 is a wasteful number, since it uses less digits than its factorization.

523402130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20401.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 523402130 is about 22877.9835212809. The cubic root of 523402130 is about 805.8950629659.

Adding to 523402130 its reverse (31204325), we get a palindrome (554606455).

The spelling of 523402130 in words is "five hundred twenty-three million, four hundred two thousand, one hundred thirty".