1004140423 has 16 divisors (see below), whose sum is σ = 1182486816. Its totient is φ = 840637440.

The previous prime is 1004140387. The next prime is 1004140451. The reversal of 1004140423 is 3240414001.

It is a cyclic number.

It is not a de Polignac number, because 1004140423 - 2²⁵ = 970585991 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 1004140423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004140223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53811 + ... + 70027.

It is an arithmetic number, because the mean of its divisors is an integer number (73905426).

Almost surely, 2^1004140423 is an apocalyptic number.

1004140423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1004140423 is a deficient number, since it is larger than the sum of its proper divisors (178346393).

1004140423 is a wasteful number, since it uses less digits than its factorization.

1004140423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16674.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1004140423 is about 31688.1748133274. The cubic root of 1004140423 is about 1001.3782405802.

Adding to 1004140423 its reverse (3240414001), we get a palindrome (4244554424).

The spelling of 1004140423 in words is "one billion, four million, one hundred forty thousand, four hundred twenty-three".