23111142121204 has 12 divisors (see below), whose sum is σ = 42573156539200. Its totient is φ = 10947383110008.

The previous prime is 23111142121201. The next prime is 23111142121297. The reversal of 23111142121204 is 40212124111132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23111142121201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152046987564 + ... + 152046987715.

Almost surely, 2^{23111142121204} is an apocalyptic number.

It is an amenable number.

23111142121204 is a deficient number, since it is larger than the sum of its proper divisors (19462014417996).

23111142121204 is a wasteful number, since it uses less digits than its factorization.

23111142121204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304093975302 (or 304093975300 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 23111142121204 its reverse (40212124111132), we get a palindrome (63323266232336).

The spelling of 23111142121204 in words is "twenty-three trillion, one hundred eleven billion, one hundred forty-two million, one hundred twenty-one thousand, two hundred four".