423130440312 has 24 divisors (see below), whose sum is σ = 1145978276040. Its totient is φ = 141043480080.

The previous prime is 423130440253. The next prime is 423130440319. The reversal of 423130440312 is 213044031324.

423130440312 is a `hidden beast` number, since 4 + 2 + 3 + 1 + 304 + 40 + 312 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423130440319) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2938405764 + ... + 2938405907.

It is an arithmetic number, because the mean of its divisors is an integer number (47749094835).

Almost surely, 2^423130440312 is an apocalyptic number.

It is an amenable number.

423130440312 is an abundant number, since it is smaller than the sum of its proper divisors (722847835728).

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

423130440312 is a wasteful number, since it uses less digits than its factorization.

423130440312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5876811683 (or 5876811676 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 423130440312 its reverse (213044031324), we get a palindrome (636174471636).

The spelling of 423130440312 in words is "four hundred twenty-three billion, one hundred thirty million, four hundred forty thousand, three hundred twelve".