23566422132 has 72 divisors (see below), whose sum is σ = 65179400832. Its totient is φ = 7120108800.

The previous prime is 23566422059. The next prime is 23566422137. The reversal of 23566422132 is 23122466532.

23566422132 is a `hidden beast` number, since 2 + 3 + 5 + 6 + 642 + 2 + 1 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23566422137) 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, 45157 + ... + 221747.

It is an arithmetic number, because the mean of its divisors is an integer number (905269456).

Almost surely, 2^23566422132 is an apocalyptic number.

23566422132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23566422132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32589700416).

23566422132 is an abundant number, since it is smaller than the sum of its proper divisors (41612978700).

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

23566422132 is a wasteful number, since it uses less digits than its factorization.

23566422132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176949 (or 176944 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

Adding to 23566422132 its reverse (23122466532), we get a palindrome (46688888664).

The spelling of 23566422132 in words is "twenty-three billion, five hundred sixty-six million, four hundred twenty-two thousand, one hundred thirty-two".