23401423512 has 96 divisors (see below), whose sum is σ = 63900233280. Its totient is φ = 7736532480.

The previous prime is 23401423501. The next prime is 23401423517. The reversal of 23401423512 is 21532410432.

23401423512 is a `hidden beast` number, since 2 + 3 + 4 + 0 + 142 + 3 + 512 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23401423517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5690337 + ... + 5694447.

It is an arithmetic number, because the mean of its divisors is an integer number (665627430).

Almost surely, 2^23401423512 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 23401423512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31950116640).

23401423512 is an abundant number, since it is smaller than the sum of its proper divisors (40498809768).

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

23401423512 is a wasteful number, since it uses less digits than its factorization.

23401423512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4753 (or 4746 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 23401423512 its reverse (21532410432), we get a palindrome (44933833944).

The spelling of 23401423512 in words is "twenty-three billion, four hundred one million, four hundred twenty-three thousand, five hundred twelve".