1003000423 has 2 divisors, whose sum is σ = 1003000424. Its totient is φ = 1003000422.

The previous prime is 1003000373. The next prime is 1003000429. The reversal of 1003000423 is 3240003001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1003000423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1003000429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501500211 + 501500212.

It is an arithmetic number, because the mean of its divisors is an integer number (501500212).

Almost surely, 2^1003000423 is an apocalyptic number.

1003000423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003000423 is an equidigital number, since it uses as much as digits as its factorization.

1003000423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 1003000423 is about 31670.1819224330. The cubic root of 1003000423 is about 1000.9991423820. Note that the first 3 decimals are identical.

Adding to 1003000423 its reverse (3240003001), we get a palindrome (4243003424).

The spelling of 1003000423 in words is "one billion, three million, four hundred twenty-three", and thus it is an aban number.