1002133423 has 4 divisors (see below), whose sum is σ = 1002313840. Its totient is φ = 1001953008.

The previous prime is 1002133421. The next prime is 1002133441. The reversal of 1002133423 is 3243312001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3243312001 = 7829 ⋅414269.

It is a cyclic number.

It is not a de Polignac number, because 1002133423 - 2¹ = 1002133421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1002133423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002133421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81603 + ... + 93076.

It is an arithmetic number, because the mean of its divisors is an integer number (250578460).

Almost surely, 2^1002133423 is an apocalyptic number.

1002133423 is a deficient number, since it is larger than the sum of its proper divisors (180417).

1002133423 is an equidigital number, since it uses as much as digits as its factorization.

1002133423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180416.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1002133423 is about 31656.4910089542. The cubic root of 1002133423 is about 1000.7106358770.

Adding to 1002133423 its reverse (3243312001), we get a palindrome (4245445424).

The spelling of 1002133423 in words is "one billion, two million, one hundred thirty-three thousand, four hundred twenty-three".