1005566003423 has 4 divisors (see below), whose sum is σ = 1011378523848. Its totient is φ = 999753483000.

The previous prime is 1005566003419. The next prime is 1005566003467. The reversal of 1005566003423 is 3243006655001.

1005566003423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1005566003423 - 2² = 1005566003419 is a prime.

It is a super-2 number, since 2×1005566003423² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005566003473) 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, 2906259953 + ... + 2906260298.

It is an arithmetic number, because the mean of its divisors is an integer number (252844630962).

Almost surely, 2^{1005566003423} is an apocalyptic number.

1005566003423 is a deficient number, since it is larger than the sum of its proper divisors (5812520425).

1005566003423 is an equidigital number, since it uses as much as digits as its factorization.

1005566003423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5812520424.

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 1005566003423 in words is "one trillion, five billion, five hundred sixty-six million, three thousand, four hundred twenty-three".