23102003 has 4 divisors (see below), whose sum is σ = 23257200. Its totient is φ = 22946808.

The previous prime is 23101999. The next prime is 23102021. The reversal of 23102003 is 30020132.

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 23102003 - 2² = 23101999 is a prime.

It is a super-2 number, since 2×23102003² = 1067405085224018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23102083) 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, 77375 + ... + 77672.

It is an arithmetic number, because the mean of its divisors is an integer number (5814300).

Almost surely, 2^23102003 is an apocalyptic number.

23102003 is a deficient number, since it is larger than the sum of its proper divisors (155197).

23102003 is a wasteful number, since it uses less digits than its factorization.

23102003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155196.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 23102003 is about 4806.4543064509. The cubic root of 23102003 is about 284.8064881099.

Adding to 23102003 its reverse (30020132), we get a palindrome (53122135).

The spelling of 23102003 in words is "twenty-three million, one hundred two thousand, three".