23042003 has 4 divisors (see below), whose sum is σ = 24254760. Its totient is φ = 21829248.

The previous prime is 23041999. The next prime is 23042017. The reversal of 23042003 is 30024032.

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 23042003 - 2² = 23041999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23042053) 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, 606350 + ... + 606387.

It is an arithmetic number, because the mean of its divisors is an integer number (6063690).

Almost surely, 2^23042003 is an apocalyptic number.

23042003 is a deficient number, since it is larger than the sum of its proper divisors (1212757).

23042003 is a wasteful number, since it uses less digits than its factorization.

23042003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212756.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 23042003 is about 4800.2086412988. The cubic root of 23042003 is about 284.5597100199.

Adding to 23042003 its reverse (30024032), we get a palindrome (53066035).

The spelling of 23042003 in words is "twenty-three million, forty-two thousand, three".