23313111003 has 24 divisors (see below), whose sum is σ = 41445532128. Its totient is φ = 12297025152.

The previous prime is 23313111001. The next prime is 23313111011. The reversal of 23313111003 is 30011131332.

It is a happy number.

It is not a de Polignac number, because 23313111003 - 2¹ = 23313111001 is a prime.

It is a super-2 number, since 2×23313111003² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23313111001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14231850 + ... + 14233487.

It is an arithmetic number, because the mean of its divisors is an integer number (1726897172).

Almost surely, 2^23313111003 is an apocalyptic number.

23313111003 is a deficient number, since it is larger than the sum of its proper divisors (18132421125).

23313111003 is a wasteful number, since it uses less digits than its factorization.

23313111003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28465363 (or 28465360 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 23313111003 its reverse (30011131332), we get a palindrome (53324242335).

The spelling of 23313111003 in words is "twenty-three billion, three hundred thirteen million, one hundred eleven thousand, three".