1001423001 has 16 divisors (see below), whose sum is σ = 1367410880. Its totient is φ = 651551040.

The previous prime is 1001422999. The next prime is 1001423011. The reversal of 1001423001 is 1003241001.

It is a happy number.

It is not a de Polignac number, because 1001423001 - 2¹ = 1001422999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001423011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206715 + ... + 211503.

It is an arithmetic number, because the mean of its divisors is an integer number (85463180).

Almost surely, 2^1001423001 is an apocalyptic number.

It is an amenable number.

1001423001 is a deficient number, since it is larger than the sum of its proper divisors (365987879).

1001423001 is a wasteful number, since it uses less digits than its factorization.

1001423001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6456.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1001423001 is about 31645.2682244913. The cubic root of 1001423001 is about 1000.4741088519.

Adding to 1001423001 its reverse (1003241001), we get a palindrome (2004664002).

The spelling of 1001423001 in words is "one billion, one million, four hundred twenty-three thousand, one".