423124234340 has 12 divisors (see below), whose sum is σ = 888560892156. Its totient is φ = 169249693728.

The previous prime is 423124234333. The next prime is 423124234349. The reversal of 423124234340 is 43432421324.

It can be written as a sum of positive squares in 2 ways, for example, as 162867130624 + 260257103716 = 403568^2 + 510154^2 .

It is a super-2 number, since 2×423124234340² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 423124234297 and 423124234306.

It is not an unprimeable number, because it can be changed into a prime (423124234349) 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, 10578105839 + ... + 10578105878.

It is an arithmetic number, because the mean of its divisors is an integer number (74046741013).

Almost surely, 2^423124234340 is an apocalyptic number.

It is an amenable number.

423124234340 is an abundant number, since it is smaller than the sum of its proper divisors (465436657816).

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

423124234340 is a wasteful number, since it uses less digits than its factorization.

423124234340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21156211726 (or 21156211724 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 423124234340 its reverse (43432421324), we get a palindrome (466556655664).

The spelling of 423124234340 in words is "four hundred twenty-three billion, one hundred twenty-four million, two hundred thirty-four thousand, three hundred forty".