23111132 has 12 divisors (see below), whose sum is σ = 44121336. Its totient is φ = 10505040.

The previous prime is 23111119. The next prime is 23111149.

23111132 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262583 + ... + 262670.

It is an arithmetic number, because the mean of its divisors is an integer number (3676778).

Almost surely, 2^23111132 is an apocalyptic number.

23111132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23111132 is a deficient number, since it is larger than the sum of its proper divisors (21010204).

23111132 is a wasteful number, since it uses less digits than its factorization.

23111132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525268 (or 525266 counting only the distinct ones).

The product of its digits is 36, while the sum is 14.

The square root of 23111132 is about 4807.4038731939. The cubic root of 23111132 is about 284.8439979315.

It can be divided in two parts, 2311 and 1132, that added together give a palindrome (3443).

The spelling of 23111132 in words is "twenty-three million, one hundred eleven thousand, one hundred thirty-two".