1001523423 has 16 divisors (see below), whose sum is σ = 1365212160. Its totient is φ = 652788576.

The previous prime is 1001523409. The next prime is 1001523433. The reversal of 1001523423 is 3243251001.

It is not a de Polignac number, because 1001523423 - 2⁹ = 1001522911 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1001523423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001523433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154318 + ... + 160676.

It is an arithmetic number, because the mean of its divisors is an integer number (85325760).

Almost surely, 2^1001523423 is an apocalyptic number.

1001523423 is a deficient number, since it is larger than the sum of its proper divisors (363688737).

1001523423 is a wasteful number, since it uses less digits than its factorization.

1001523423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7526.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1001523423 is about 31646.8548674272. The cubic root of 1001523423 is about 1000.5075500161.

Adding to 1001523423 its reverse (3243251001), we get a palindrome (4244774424).

The spelling of 1001523423 in words is "one billion, one million, five hundred twenty-three thousand, four hundred twenty-three".