423154125212 has 192 divisors, whose sum is σ = 1003999180800. Its totient is φ = 151675172352.

The previous prime is 423154125197. The next prime is 423154125221. The reversal of 423154125212 is 212521451324.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 57419864 + ... + 57427232.

It is an arithmetic number, because the mean of its divisors is an integer number (5229162400).

Almost surely, 2^423154125212 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 423154125212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (501999590400).

423154125212 is an abundant number, since it is smaller than the sum of its proper divisors (580845055588).

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

423154125212 is a wasteful number, since it uses less digits than its factorization.

423154125212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7473 (or 7433 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

Adding to 423154125212 its reverse (212521451324), we get a palindrome (635675576536).

The spelling of 423154125212 in words is "four hundred twenty-three billion, one hundred fifty-four million, one hundred twenty-five thousand, two hundred twelve".