23111412 has 24 divisors (see below), whose sum is σ = 56271936. Its totient is φ = 7368768.

The previous prime is 23111411. The next prime is 23111419. The reversal of 23111412 is 21411132.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 23111391 and 23111400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23111411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41593 + ... + 42144.

It is an arithmetic number, because the mean of its divisors is an integer number (2344664).

Almost surely, 2^23111412 is an apocalyptic number.

It is an amenable number.

23111412 is an abundant number, since it is smaller than the sum of its proper divisors (33160524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23111412 is a wasteful number, since it uses less digits than its factorization.

23111412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83767 (or 83765 counting only the distinct ones).

The product of its digits is 48, while the sum is 15.

The square root of 23111412 is about 4807.4329948529. The cubic root of 23111412 is about 284.8451482574.

Adding to 23111412 its reverse (21411132), we get a palindrome (44522544).

The spelling of 23111412 in words is "twenty-three million, one hundred eleven thousand, four hundred twelve".