1001013423 has 8 divisors (see below), whose sum is σ = 1404931200. Its totient is φ = 632218968.

The previous prime is 1001013421. The next prime is 1001013443. The reversal of 1001013423 is 3243101001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1001013423 - 2¹ = 1001013421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001013421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8780763 + ... + 8780876.

It is an arithmetic number, because the mean of its divisors is an integer number (175616400).

Almost surely, 2^1001013423 is an apocalyptic number.

1001013423 is a deficient number, since it is larger than the sum of its proper divisors (403917777).

1001013423 is a wasteful number, since it uses less digits than its factorization.

1001013423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17561661.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1001013423 is about 31638.7961686282. The cubic root of 1001013423 is about 1000.3376936169.

Adding to 1001013423 its reverse (3243101001), we get a palindrome (4244114424).

The spelling of 1001013423 in words is "one billion, one million, thirteen thousand, four hundred twenty-three".