1423430043040 has 24 divisors (see below), whose sum is σ = 3362853477060. Its totient is φ = 569372017152.

The previous prime is 1423430042989. The next prime is 1423430043067. The reversal of 1423430043040 is 403400343241.

It can be written as a sum of positive squares in 2 ways, for example, as 1336308256144 + 87121786896 = 1155988^2 + 295164^2 .

It is a super-3 number, since 3×1423430043040³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4448218725 + ... + 4448219044.

Almost surely, 2^{1423430043040} is an apocalyptic number.

1423430043040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1423430043040 is an abundant number, since it is smaller than the sum of its proper divisors (1939423434020).

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

1423430043040 is an equidigital number, since it uses as much as digits as its factorization.

1423430043040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8896437784 (or 8896437776 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 1423430043040 its reverse (403400343241), we get a palindrome (1826830386281).

The spelling of 1423430043040 in words is "one trillion, four hundred twenty-three billion, four hundred thirty million, forty-three thousand, forty".