1001330423 has 2 divisors, whose sum is σ = 1001330424. Its totient is φ = 1001330422.

The previous prime is 1001330417. The next prime is 1001330467. The reversal of 1001330423 is 3240331001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1001330423 - 2²⁶ = 934221559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001330483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500665211 + 500665212.

It is an arithmetic number, because the mean of its divisors is an integer number (500665212).

Almost surely, 2^1001330423 is an apocalyptic number.

1001330423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001330423 is an equidigital number, since it uses as much as digits as its factorization.

1001330423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1001330423 is about 31643.8054443520. The cubic root of 1001330423 is about 1000.4432778091.

Adding to 1001330423 its reverse (3240331001), we get a palindrome (4241661424).

The spelling of 1001330423 in words is "one billion, one million, three hundred thirty thousand, four hundred twenty-three".