1001426423 has 4 divisors (see below), whose sum is σ = 1028492040. Its totient is φ = 974360808.

The previous prime is 1001426359. The next prime is 1001426431. The reversal of 1001426423 is 3246241001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1001426423 - 2⁶ = 1001426359 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 (1001426443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13532753 + ... + 13532826.

It is an arithmetic number, because the mean of its divisors is an integer number (257123010).

Almost surely, 2^1001426423 is an apocalyptic number.

1001426423 is a deficient number, since it is larger than the sum of its proper divisors (27065617).

1001426423 is an equidigital number, since it uses as much as digits as its factorization.

1001426423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27065616.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1001426423 is about 31645.3222925601. The cubic root of 1001426423 is about 1000.4752484365.

Adding to 1001426423 its reverse (3246241001), we get a palindrome (4247667424).

The spelling of 1001426423 in words is "one billion, one million, four hundred twenty-six thousand, four hundred twenty-three".