1001423135 has 4 divisors (see below), whose sum is σ = 1201707768. Its totient is φ = 801138504.

The previous prime is 1001423119. The next prime is 1001423179. The reversal of 1001423135 is 5313241001.

1001423135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1001423135 - 2⁴ = 1001423119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100142309 + ... + 100142318.

It is an arithmetic number, because the mean of its divisors is an integer number (300426942).

Almost surely, 2^1001423135 is an apocalyptic number.

1001423135 is a deficient number, since it is larger than the sum of its proper divisors (200284633).

1001423135 is an equidigital number, since it uses as much as digits as its factorization.

1001423135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200284632.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1001423135 is about 31645.2703417114. The cubic root of 1001423135 is about 1000.4741534763.

Adding to 1001423135 its reverse (5313241001), we get a palindrome (6314664136).

The spelling of 1001423135 in words is "one billion, one million, four hundred twenty-three thousand, one hundred thirty-five".