1003013023 has 4 divisors (see below), whose sum is σ = 1003479328. Its totient is φ = 1002546720.

The previous prime is 1003013017. The next prime is 1003013047. The reversal of 1003013023 is 3203103001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1003013023 - 2¹³ = 1003004831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1003012994 and 1003013012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003013623) 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, 229911 + ... + 234232.

It is an arithmetic number, because the mean of its divisors is an integer number (250869832).

Almost surely, 2^1003013023 is an apocalyptic number.

1003013023 is a deficient number, since it is larger than the sum of its proper divisors (466305).

1003013023 is an equidigital number, since it uses as much as digits as its factorization.

1003013023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466304.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 1003013023 is about 31670.3808470943. The cubic root of 1003013023 is about 1001.0033339842.

Adding to 1003013023 its reverse (3203103001), we get a palindrome (4206116024).

The spelling of 1003013023 in words is "one billion, three million, thirteen thousand, twenty-three".