1252423410543 has 6 divisors (see below), whose sum is σ = 1809056037464. Its totient is φ = 834948940356.

The previous prime is 1252423410527. The next prime is 1252423410607. The reversal of 1252423410543 is 3450143242521.

It is a happy number.

1252423410543 is a `hidden beast` number, since 1 + 2 + 52 + 4 + 23 + 41 + 0 + 543 = 666.

It is not a de Polignac number, because 1252423410543 - 2⁴ = 1252423410527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1252423410498 and 1252423410507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252423410443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69579078355 + ... + 69579078372.

Almost surely, 2^{1252423410543} is an apocalyptic number.

1252423410543 is a deficient number, since it is larger than the sum of its proper divisors (556632626921).

1252423410543 is a wasteful number, since it uses less digits than its factorization.

1252423410543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139158156733 (or 139158156730 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 1252423410543 in words is "one trillion, two hundred fifty-two billion, four hundred twenty-three million, four hundred ten thousand, five hundred forty-three".