423042203121 has 8 divisors (see below), whose sum is σ = 567172604544. Its totient is φ = 280469968560.

The previous prime is 423042203117. The next prime is 423042203123. The reversal of 423042203121 is 121302240324.

It is a happy number.

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

It is not a de Polignac number, because 423042203121 - 2² = 423042203117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423042203091 and 423042203100.

It is not an unprimeable number, because it can be changed into a prime (423042203123) 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, 389541081 + ... + 389542166.

It is an arithmetic number, because the mean of its divisors is an integer number (70896575568).

Almost surely, 2^423042203121 is an apocalyptic number.

It is an amenable number.

423042203121 is a deficient number, since it is larger than the sum of its proper divisors (144130401423).

423042203121 is a wasteful number, since it uses less digits than its factorization.

423042203121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779083431.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 423042203121 its reverse (121302240324), we get a palindrome (544344443445).

The spelling of 423042203121 in words is "four hundred twenty-three billion, forty-two million, two hundred three thousand, one hundred twenty-one".