5611543423 has 2 divisors, whose sum is σ = 5611543424. Its totient is φ = 5611543422.

The previous prime is 5611543397. The next prime is 5611543439. The reversal of 5611543423 is 3243451165.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5611543423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5611543493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2805771711 + 2805771712.

It is an arithmetic number, because the mean of its divisors is an integer number (2805771712).

Almost surely, 2^5611543423 is an apocalyptic number.

5611543423 is a deficient number, since it is larger than the sum of its proper divisors (1).

5611543423 is an equidigital number, since it uses as much as digits as its factorization.

5611543423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 34.

The square root of 5611543423 is about 74910.2357692191. The cubic root of 5611543423 is about 1777.0273388476.

Adding to 5611543423 its reverse (3243451165), we get a palindrome (8854994588).

The spelling of 5611543423 in words is "five billion, six hundred eleven million, five hundred forty-three thousand, four hundred twenty-three".