423131501 has 8 divisors (see below), whose sum is σ = 479663520. Its totient is φ = 370025712.

The previous prime is 423131491. The next prime is 423131507. The reversal of 423131501 is 105131324.

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-423131501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423131507) 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, 856295 + ... + 856788.

It is an arithmetic number, because the mean of its divisors is an integer number (59957940).

Almost surely, 2^423131501 is an apocalyptic number.

It is an amenable number.

423131501 is a deficient number, since it is larger than the sum of its proper divisors (56532019).

423131501 is a wasteful number, since it uses less digits than its factorization.

423131501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713115.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 423131501 is about 20570.1604514889. The cubic root of 423131501 is about 750.7438551806.

Adding to 423131501 its reverse (105131324), we get a palindrome (528262825).

The spelling of 423131501 in words is "four hundred twenty-three million, one hundred thirty-one thousand, five hundred one".