423034313212 has 48 divisors (see below), whose sum is σ = 867904595712. Its totient is φ = 176642323200.

The previous prime is 423034313203. The next prime is 423034313249. The reversal of 423034313212 is 212313430324.

It is a happy number.

It is a super-4 number, since 4×423034313212⁴ (a number of 48 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44703 + ... + 920905.

It is an arithmetic number, because the mean of its divisors is an integer number (18081345744).

Almost surely, 2^423034313212 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 423034313212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (433952297856).

423034313212 is an abundant number, since it is smaller than the sum of its proper divisors (444870282500).

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

423034313212 is a wasteful number, since it uses less digits than its factorization.

423034313212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876658 (or 876656 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 423034313212 its reverse (212313430324), we get a palindrome (635347743536).

The spelling of 423034313212 in words is "four hundred twenty-three billion, thirty-four million, three hundred thirteen thousand, two hundred twelve".