23111322003 has 96 divisors (see below), whose sum is σ = 43246694400. Its totient is φ = 11982310560.

The previous prime is 23111321999. The next prime is 23111322007. The reversal of 23111322003 is 30022311132.

It is an interprime number because it is at equal distance from previous prime (23111321999) and next prime (23111322007).

It is not a de Polignac number, because 23111322003 - 2² = 23111321999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23111322007) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13602048 + ... + 13603746.

It is an arithmetic number, because the mean of its divisors is an integer number (450486400).

Almost surely, 2^23111322003 is an apocalyptic number.

23111322003 is a deficient number, since it is larger than the sum of its proper divisors (20135372397).

23111322003 is a wasteful number, since it uses less digits than its factorization.

23111322003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459 (or 2447 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 23111322003 its reverse (30022311132), we get a palindrome (53133633135).

It can be divided in two parts, 231113 and 22003, that added together give a triangular number (253116 = T₇₁₁).

The spelling of 23111322003 in words is "twenty-three billion, one hundred eleven million, three hundred twenty-two thousand, three".