23111201412 has 288 divisors, whose sum is σ = 70852174848. Its totient is φ = 6278418432.

The previous prime is 23111201363. The next prime is 23111201417. The reversal of 23111201412 is 21410211132.

23111201412 is a `hidden beast` number, since 231 + 1 + 1 + 20 + 1 + 412 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (23111201417) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9697173 + ... + 9699555.

It is an arithmetic number, because the mean of its divisors is an integer number (246014496).

Almost surely, 2^23111201412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23111201412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35426087424).

23111201412 is an abundant number, since it is smaller than the sum of its proper divisors (47740973436).

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

23111201412 is a wasteful number, since it uses less digits than its factorization.

23111201412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2499 (or 2494 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 23111201412 its reverse (21410211132), we get a palindrome (44521412544).

The spelling of 23111201412 in words is "twenty-three billion, one hundred eleven million, two hundred one thousand, four hundred twelve".