1001799423 has 12 divisors (see below), whose sum is σ = 1480696360. Its totient is φ = 652334256.

The previous prime is 1001799419. The next prime is 1001799427. The reversal of 1001799423 is 3249971001.

It is an interprime number because it is at equal distance from previous prime (1001799419) and next prime (1001799427).

It is not a de Polignac number, because 1001799423 - 2² = 1001799419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001799427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1293928 + ... + 1294701.

Almost surely, 2^1001799423 is an apocalyptic number.

1001799423 is a deficient number, since it is larger than the sum of its proper divisors (478896937).

1001799423 is a wasteful number, since it uses less digits than its factorization.

1001799423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2588678 (or 2588675 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 1001799423 is about 31651.2151899418. The cubic root of 1001799423 is about 1000.5994482567.

The spelling of 1001799423 in words is "one billion, one million, seven hundred ninety-nine thousand, four hundred twenty-three".