1145614543423 has 4 divisors (see below), whose sum is σ = 1309273763920. Its totient is φ = 981955322928.

The previous prime is 1145614543321. The next prime is 1145614543427. The reversal of 1145614543423 is 3243454165411.

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 1145614543423 - 2⁹ = 1145614542911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1145614543423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145614543427) 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, 81829610238 + ... + 81829610251.

It is an arithmetic number, because the mean of its divisors is an integer number (327318440980).

Almost surely, 2^{1145614543423} is an apocalyptic number.

1145614543423 is a deficient number, since it is larger than the sum of its proper divisors (163659220497).

1145614543423 is an equidigital number, since it uses as much as digits as its factorization.

1145614543423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163659220496.

The product of its digits is 691200, while the sum is 43.

The spelling of 1145614543423 in words is "one trillion, one hundred forty-five billion, six hundred fourteen million, five hundred forty-three thousand, four hundred twenty-three".