23132111211 has 12 divisors (see below), whose sum is σ = 36450599640. Its totient is φ = 14019461280.

The previous prime is 23132111207. The next prime is 23132111221. The reversal of 23132111211 is 11211123132.

23132111211 is a `hidden beast` number, since 231 + 321 + 112 + 1 + 1 = 666.

It is not a de Polignac number, because 23132111211 - 2² = 23132111207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23132111221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116828746 + ... + 116828943.

It is an arithmetic number, because the mean of its divisors is an integer number (3037549970).

Almost surely, 2^23132111211 is an apocalyptic number.

23132111211 is a deficient number, since it is larger than the sum of its proper divisors (13318488429).

23132111211 is a wasteful number, since it uses less digits than its factorization.

23132111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233657706 (or 233657703 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

Adding to 23132111211 its reverse (11211123132), we get a palindrome (34343234343).

The spelling of 23132111211 in words is "twenty-three billion, one hundred thirty-two million, one hundred eleven thousand, two hundred eleven".