23019803 has 4 divisors (see below), whose sum is σ = 24020688. Its totient is φ = 22018920.

The previous prime is 23019797. The next prime is 23019817. The reversal of 23019803 is 30891032.

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 23019803 - 2⁶ = 23019739 is a prime.

It is a super-2 number, since 2×23019803² = 1059822660317618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23015803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500408 + ... + 500453.

It is an arithmetic number, because the mean of its divisors is an integer number (6005172).

Almost surely, 2^23019803 is an apocalyptic number.

23019803 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

23019803 is a deficient number, since it is larger than the sum of its proper divisors (1000885).

23019803 is a wasteful number, since it uses less digits than its factorization.

23019803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000884.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 23019803 is about 4797.8956845684. The cubic root of 23019803 is about 284.4682935540.

The spelling of 23019803 in words is "twenty-three million, nineteen thousand, eight hundred three".