423321233212040 has 32 divisors (see below), whose sum is σ = 952604861463360. Its totient is φ = 169305011198400.

The previous prime is 423321233211887. The next prime is 423321233212049. The reversal of 423321233212040 is 40212332123324.

It is a junction number, because it is equal to n+sod(n) for n = 423321233211988 and 423321233212006.

It is not an unprimeable number, because it can be changed into a prime (423321233212049) 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, 733523156 + ... + 734100035.

It is an arithmetic number, because the mean of its divisors is an integer number (29768901920730).

Almost surely, 2^{423321233212040} is an apocalyptic number.

423321233212040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423321233212040 is an abundant number, since it is smaller than the sum of its proper divisors (529283628251320).

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

423321233212040 is a wasteful number, since it uses less digits than its factorization.

423321233212040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467630413 (or 1467630409 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 423321233212040 its reverse (40212332123324), we get a palindrome (463533565335364).

The spelling of 423321233212040 in words is "four hundred twenty-three trillion, three hundred twenty-one billion, two hundred thirty-three million, two hundred twelve thousand, forty".