23231134111 has 4 divisors (see below), whose sum is σ = 24453825400. Its totient is φ = 22008442824.

The previous prime is 23231134097. The next prime is 23231134123. The reversal of 23231134111 is 11143113232.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23231134111 - 2⁹ = 23231133599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23231134181) 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, 611345616 + ... + 611345653.

It is an arithmetic number, because the mean of its divisors is an integer number (6113456350).

Almost surely, 2^23231134111 is an apocalyptic number.

23231134111 is a deficient number, since it is larger than the sum of its proper divisors (1222691289).

23231134111 is a wasteful number, since it uses less digits than its factorization.

23231134111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222691288.

The product of its digits is 432, while the sum is 22.

Adding to 23231134111 its reverse (11143113232), we get a palindrome (34374247343).

The spelling of 23231134111 in words is "twenty-three billion, two hundred thirty-one million, one hundred thirty-four thousand, one hundred eleven".