423113022012 has 12 divisors (see below), whose sum is σ = 987263718056. Its totient is φ = 141037674000.

The previous prime is 423113021971. The next prime is 423113022019. The reversal of 423113022012 is 210220311324.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×423113022012² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 423113022012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423113022019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17629709239 + ... + 17629709262.

Almost surely, 2^423113022012 is an apocalyptic number.

It is an amenable number.

423113022012 is an abundant number, since it is smaller than the sum of its proper divisors (564150696044).

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

423113022012 is a wasteful number, since it uses less digits than its factorization.

423113022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35259418508 (or 35259418506 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 423113022012 its reverse (210220311324), we get a palindrome (633333333336).

The spelling of 423113022012 in words is "four hundred twenty-three billion, one hundred thirteen million, twenty-two thousand, twelve".