423242101 has 8 divisors (see below), whose sum is σ = 442882304. Its totient is φ = 403976160.

The previous prime is 423242093. The next prime is 423242107. The reversal of 423242101 is 101242324.

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

It is not a de Polignac number, because 423242101 - 2³ = 423242093 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 (423242107) 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, 91251 + ... + 95776.

It is an arithmetic number, because the mean of its divisors is an integer number (55360288).

Almost surely, 2^423242101 is an apocalyptic number.

It is an amenable number.

423242101 is a deficient number, since it is larger than the sum of its proper divisors (19640203).

423242101 is a wasteful number, since it uses less digits than its factorization.

423242101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187131.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 423242101 is about 20572.8486360057. The cubic root of 423242101 is about 750.8092604086.

Adding to 423242101 its reverse (101242324), we get a palindrome (524484425).

The spelling of 423242101 in words is "four hundred twenty-three million, two hundred forty-two thousand, one hundred one".