523432401 has 8 divisors (see below), whose sum is σ = 698093664. Its totient is φ = 348863040.

The previous prime is 523432379. The next prime is 523432417. The reversal of 523432401 is 104234325.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 523432401 - 2⁵ = 523432369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (523432001) 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, 8355 + ... + 33416.

It is an arithmetic number, because the mean of its divisors is an integer number (87261708).

Almost surely, 2^523432401 is an apocalyptic number.

It is an amenable number.

523432401 is a deficient number, since it is larger than the sum of its proper divisors (174661263).

523432401 is a wasteful number, since it uses less digits than its factorization.

523432401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45951.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 523432401 is about 22878.6450866305. The cubic root of 523432401 is about 805.9105989994.

Adding to 523432401 its reverse (104234325), we get a palindrome (627666726).

The spelling of 523432401 in words is "five hundred twenty-three million, four hundred thirty-two thousand, four hundred one".