23111031332003 has 4 divisors (see below), whose sum is σ = 23111044604328. Its totient is φ = 23111018059680.

The previous prime is 23111031331987. The next prime is 23111031332017. The reversal of 23111031332003 is 30023313011132.

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 23111031332003 - 2⁴ = 23111031331987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23111031332003.

It is not an unprimeable number, because it can be changed into a prime (23111031332063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3543926 + ... + 7666907.

It is an arithmetic number, because the mean of its divisors is an integer number (5777761151082).

Almost surely, 2^{23111031332003} is an apocalyptic number.

23111031332003 is a deficient number, since it is larger than the sum of its proper divisors (13272325).

23111031332003 is a wasteful number, since it uses less digits than its factorization.

23111031332003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13272324.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 23111031332003 its reverse (30023313011132), we get a palindrome (53134344343135).

The spelling of 23111031332003 in words is "twenty-three trillion, one hundred eleven billion, thirty-one million, three hundred thirty-two thousand, three".