1353923319543 has 4 divisors (see below), whose sum is σ = 1805231092728. Its totient is φ = 902615546360.

The previous prime is 1353923319523. The next prime is 1353923319607. The reversal of 1353923319543 is 3459133293531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1353923319543 - 2¹² = 1353923315447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353923319523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225653886588 + ... + 225653886593.

It is an arithmetic number, because the mean of its divisors is an integer number (451307773182).

Almost surely, 2^{1353923319543} is an apocalyptic number.

1353923319543 is a deficient number, since it is larger than the sum of its proper divisors (451307773185).

1353923319543 is an equidigital number, since it uses as much as digits as its factorization.

1353923319543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451307773184.

The product of its digits is 3936600, while the sum is 51.

The spelling of 1353923319543 in words is "one trillion, three hundred fifty-three billion, nine hundred twenty-three million, three hundred nineteen thousand, five hundred forty-three".