13423435420140 has 168 divisors, whose sum is σ = 44488935030960. Its totient is φ = 3391183615104.

The previous prime is 13423435420099. The next prime is 13423435420193. The reversal of 13423435420140 is 4102453432431.

13423435420140 is a `hidden beast` number, since 1 + 3 + 42 + 3 + 435 + 42 + 0 + 140 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 13423435420095 and 13423435420104.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 23951259 + ... + 24505298.

It is an arithmetic number, because the mean of its divisors is an integer number (264815089470).

Almost surely, 2^{13423435420140} is an apocalyptic number.

13423435420140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13423435420140 is an abundant number, since it is smaller than the sum of its proper divisors (31065499610820).

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

13423435420140 is a wasteful number, since it uses less digits than its factorization.

13423435420140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48456603 (or 48456586 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 13423435420140 its reverse (4102453432431), we get a palindrome (17525888852571).

The spelling of 13423435420140 in words is "thirteen trillion, four hundred twenty-three billion, four hundred thirty-five million, four hundred twenty thousand, one hundred forty".