23312003 has 8 divisors (see below), whose sum is σ = 27387696. Its totient is φ = 19562400.

The previous prime is 23311991. The next prime is 23312011. The reversal of 23312003 is 30021332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23312003 - 2⁴ = 23311987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23312053) 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 7 ways as a sum of consecutive naturals, for example, 81368 + ... + 81653.

It is an arithmetic number, because the mean of its divisors is an integer number (3423462).

Almost surely, 2^23312003 is an apocalyptic number.

23312003 is a deficient number, since it is larger than the sum of its proper divisors (4075693).

23312003 is a wasteful number, since it uses less digits than its factorization.

23312003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163045.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 23312003 is about 4828.2505113136. The cubic root of 23312003 is about 285.6668615216. Note that the first 3 decimals are identical.

Adding to 23312003 its reverse (30021332), we get a palindrome (53333335).

It can be divided in two parts, 2331 and 2003, that added together give a palindrome (4334).

The spelling of 23312003 in words is "twenty-three million, three hundred twelve thousand, three".