1423530415240 has 32 divisors (see below), whose sum is σ = 3207174603480. Its totient is φ = 568659958272.

The previous prime is 1423530415141. The next prime is 1423530415291. The reversal of 1423530415240 is 425140353241.

It can be written as a sum of positive squares in 4 ways, for example, as 1022327254404 + 401203160836 = 1011102^2 + 633406^2 .

It is a super-2 number, since 2×1423530415240² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1423530415196 and 1423530415205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23475837 + ... + 23536396.

Almost surely, 2^{1423530415240} is an apocalyptic number.

1423530415240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1423530415240 is an abundant number, since it is smaller than the sum of its proper divisors (1783644188240).

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

1423530415240 is a wasteful number, since it uses less digits than its factorization.

1423530415240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47013001 (or 47012997 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 1423530415240 its reverse (425140353241), we get a palindrome (1848670768481).

The spelling of 1423530415240 in words is "one trillion, four hundred twenty-three billion, five hundred thirty million, four hundred fifteen thousand, two hundred forty".