23312403003 has 16 divisors (see below), whose sum is σ = 31138788096. Its totient is φ = 15513838560.

The previous prime is 23312402999. The next prime is 23312403047. The reversal of 23312403003 is 30030421332.

It is not a de Polignac number, because 23312403003 - 2² = 23312402999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23312403703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5306938 + ... + 5311328.

It is an arithmetic number, because the mean of its divisors is an integer number (1946174256).

Almost surely, 2^23312403003 is an apocalyptic number.

23312403003 is a deficient number, since it is larger than the sum of its proper divisors (7826385093).

23312403003 is a wasteful number, since it uses less digits than its factorization.

23312403003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7154.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 23312403003 its reverse (30030421332), we get a palindrome (53342824335).

The spelling of 23312403003 in words is "twenty-three billion, three hundred twelve million, four hundred three thousand, three".