423203331421032 has 128 divisors (see below), whose sum is σ = 1084913400975360. Its totient is φ = 137494415520000.

The previous prime is 423203331421007. The next prime is 423203331421033. The reversal of 423203331421032 is 230124133302324.

It is a super-3 number, since 3×423203331421032³ (a number of 45 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 423203331420984 and 423203331421002.

It is not an unprimeable number, because it can be changed into a prime (423203331421033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11308623873 + ... + 11308661295.

It is an arithmetic number, because the mean of its divisors is an integer number (8475885945120).

Almost surely, 2^{423203331421032} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423203331421032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (542456700487680).

423203331421032 is an abundant number, since it is smaller than the sum of its proper divisors (661710069554328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423203331421032 is a wasteful number, since it uses less digits than its factorization.

423203331421032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60463 (or 60459 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 423203331421032 its reverse (230124133302324), we get a palindrome (653327464723356).

The spelling of 423203331421032 in words is "four hundred twenty-three trillion, two hundred three billion, three hundred thirty-one million, four hundred twenty-one thousand, thirty-two".