423530346121 has 4 divisors (see below), whose sum is σ = 423532392192. Its totient is φ = 423528300052.

The previous prime is 423530346091. The next prime is 423530346149. The reversal of 423530346121 is 121643035324.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 423530346121 - 2⁵ = 423530346089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423530346191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 672505 + ... + 1139878.

It is an arithmetic number, because the mean of its divisors is an integer number (105883098048).

Almost surely, 2^423530346121 is an apocalyptic number.

It is an amenable number.

423530346121 is a deficient number, since it is larger than the sum of its proper divisors (2046071).

423530346121 is a wasteful number, since it uses less digits than its factorization.

423530346121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046070.

The product of its (nonzero) digits is 51840, while the sum is 34.

The spelling of 423530346121 in words is "four hundred twenty-three billion, five hundred thirty million, three hundred forty-six thousand, one hundred twenty-one".