1005355423 has 2 divisors, whose sum is σ = 1005355424. Its totient is φ = 1005355422.

The previous prime is 1005355391. The next prime is 1005355459. The reversal of 1005355423 is 3245535001.

It is a weak prime.

It is an emirp because it is prime and its reverse (3245535001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1005355423 - 2⁵ = 1005355391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1005355391 and 1005355400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1005355123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502677711 + 502677712.

It is an arithmetic number, because the mean of its divisors is an integer number (502677712).

Almost surely, 2^1005355423 is an apocalyptic number.

1005355423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005355423 is an equidigital number, since it uses as much as digits as its factorization.

1005355423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 1005355423 is about 31707.3402069615. The cubic root of 1005355423 is about 1001.7819637192.

The spelling of 1005355423 in words is "one billion, five million, three hundred fifty-five thousand, four hundred twenty-three".