523143401 has 8 divisors (see below), whose sum is σ = 573196800. Its totient is φ = 473505840.

The previous prime is 523143377. The next prime is 523143403. The reversal of 523143401 is 104341325.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-523143401 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (523143403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101321 + ... + 106358.

It is an arithmetic number, because the mean of its divisors is an integer number (71649600).

Almost surely, 2^523143401 is an apocalyptic number.

It is an amenable number.

523143401 is a deficient number, since it is larger than the sum of its proper divisors (50053399).

523143401 is a wasteful number, since it uses less digits than its factorization.

523143401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207919.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 523143401 is about 22872.3282811348. The cubic root of 523143401 is about 805.7622506227.

Adding to 523143401 its reverse (104341325), we get a palindrome (627484726).

The spelling of 523143401 in words is "five hundred twenty-three million, one hundred forty-three thousand, four hundred one".