23031003 has 4 divisors (see below), whose sum is σ = 30708008. Its totient is φ = 15354000.

The previous prime is 23030999. The next prime is 23031061. The reversal of 23031003 is 30013032.

It is a happy number.

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

It is not a de Polignac number, because 23031003 - 2² = 23030999 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 23031003.

It is not an unprimeable number, because it can be changed into a prime (23031083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3838498 + ... + 3838503.

It is an arithmetic number, because the mean of its divisors is an integer number (7677002).

Almost surely, 2^23031003 is an apocalyptic number.

23031003 is a deficient number, since it is larger than the sum of its proper divisors (7677005).

23031003 is an equidigital number, since it uses as much as digits as its factorization.

23031003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7677004.

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 23031003 is about 4799.0627209904. The cubic root of 23031003 is about 284.5144209154.

Adding to 23031003 its reverse (30013032), we get a palindrome (53044035).

The spelling of 23031003 in words is "twenty-three million, thirty-one thousand, three".