423435121736 has 48 divisors (see below), whose sum is σ = 893963721420. Its totient is φ = 187776089600.

The previous prime is 423435121721. The next prime is 423435121783. The reversal of 423435121736 is 637121534324.

It can be written as a sum of positive squares in 2 ways, for example, as 361381322500 + 62053799236 = 601150^2 + 249106^2 .

It is a super-2 number, since 2×423435121736² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a junction number, because it is equal to n+sod(n) for n = 423435121693 and 423435121702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5294861 + ... + 5374236.

Almost surely, 2^423435121736 is an apocalyptic number.

It is an amenable number.

423435121736 is an abundant number, since it is smaller than the sum of its proper divisors (470528599684).

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

423435121736 is a wasteful number, since it uses less digits than its factorization.

423435121736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10669166 (or 10669151 counting only the distinct ones).

The product of its digits is 362880, while the sum is 41.

The spelling of 423435121736 in words is "four hundred twenty-three billion, four hundred thirty-five million, one hundred twenty-one thousand, seven hundred thirty-six".