423201021023 has 8 divisors (see below), whose sum is σ = 461701223040. Its totient is φ = 384705382680.

The previous prime is 423201020989. The next prime is 423201021037. The reversal of 423201021023 is 320120102324.

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

It is a cyclic number.

It is not a de Polignac number, because 423201021023 - 2²⁸ = 422932585567 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423201020986 and 423201021004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423201021083) 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, 945563 + ... + 1319276.

It is an arithmetic number, because the mean of its divisors is an integer number (57712652880).

Almost surely, 2^423201021023 is an apocalyptic number.

423201021023 is a deficient number, since it is larger than the sum of its proper divisors (38500202017).

423201021023 is a wasteful number, since it uses less digits than its factorization.

423201021023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281837.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 423201021023 its reverse (320120102324), we get a palindrome (743321123347).

The spelling of 423201021023 in words is "four hundred twenty-three billion, two hundred one million, twenty-one thousand, twenty-three".