1543103435423 has 16 divisors (see below), whose sum is σ = 1785344799744. Its totient is φ = 1318127180160.

The previous prime is 1543103435417. The next prime is 1543103435459. The reversal of 1543103435423 is 3245343013451.

It is a cyclic number.

It is not a de Polignac number, because 1543103435423 - 2¹² = 1543103431327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1543103435473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6683765 + ... + 6910782.

It is an arithmetic number, because the mean of its divisors is an integer number (111584049984).

Almost surely, 2^{1543103435423} is an apocalyptic number.

1543103435423 is a deficient number, since it is larger than the sum of its proper divisors (242241364321).

1543103435423 is a wasteful number, since it uses less digits than its factorization.

1543103435423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13595182.

The product of its (nonzero) digits is 259200, while the sum is 38.

Adding to 1543103435423 its reverse (3245343013451), we get a palindrome (4788446448874).

The spelling of 1543103435423 in words is "one trillion, five hundred forty-three billion, one hundred three million, four hundred thirty-five thousand, four hundred twenty-three".