1002135423 has 8 divisors (see below), whose sum is σ = 1337921200. Its totient is φ = 667219968.

The previous prime is 1002135413. The next prime is 1002135439. The reversal of 1002135423 is 3245312001.

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

It is not a de Polignac number, because 1002135423 - 2⁶ = 1002135359 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 1002135423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002135403) 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, 214888 + ... + 219501.

It is an arithmetic number, because the mean of its divisors is an integer number (167240150).

Almost surely, 2^1002135423 is an apocalyptic number.

1002135423 is a deficient number, since it is larger than the sum of its proper divisors (335785777).

1002135423 is an equidigital number, since it uses as much as digits as its factorization.

1002135423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435161.

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

The square root of 1002135423 is about 31656.5225980366. The cubic root of 1002135423 is about 1000.7113015967.

Adding to 1002135423 its reverse (3245312001), we get a palindrome (4247447424).

The spelling of 1002135423 in words is "one billion, two million, one hundred thirty-five thousand, four hundred twenty-three".