423363121 has 8 divisors (see below), whose sum is σ = 453305160. Its totient is φ = 393980928.

The previous prime is 423363107. The next prime is 423363167. The reversal of 423363121 is 121363324.

It can be written as a sum of positive squares in 4 ways, for example, as 94303521 + 329059600 = 9711^2 + 18140^2 .

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

It is not a de Polignac number, because 423363121 - 2¹¹ = 423361073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423363181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138396 + ... + 141421.

It is an arithmetic number, because the mean of its divisors is an integer number (56663145).

Almost surely, 2^423363121 is an apocalyptic number.

It is an amenable number.

423363121 is a deficient number, since it is larger than the sum of its proper divisors (29942039).

423363121 is a wasteful number, since it uses less digits than its factorization.

423363121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279923.

The product of its digits is 2592, while the sum is 25.

The square root of 423363121 is about 20575.7896810791. The cubic root of 423363121 is about 750.8808146306.

The spelling of 423363121 in words is "four hundred twenty-three million, three hundred sixty-three thousand, one hundred twenty-one".