1003500423 has 24 divisors (see below), whose sum is σ = 1470381120. Its totient is φ = 659393280.

The previous prime is 1003500403. The next prime is 1003500517. The reversal of 1003500423 is 3240053001.

It is not a de Polignac number, because 1003500423 - 2¹² = 1003496327 is a prime.

It is a super-2 number, since 2×1003500423² = 2014026197922357858, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1003500396 and 1003500405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003500403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 676843 + ... + 678323.

It is an arithmetic number, because the mean of its divisors is an integer number (61265880).

Almost surely, 2^1003500423 is an apocalyptic number.

1003500423 is a deficient number, since it is larger than the sum of its proper divisors (466880697).

1003500423 is a wasteful number, since it uses less digits than its factorization.

1003500423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2519 (or 2516 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 1003500423 is about 31678.0747994571. The cubic root of 1003500423 is about 1001.1654488679.

Adding to 1003500423 its reverse (3240053001), we get a palindrome (4243553424).

The spelling of 1003500423 in words is "one billion, three million, five hundred thousand, four hundred twenty-three".