23652220221132 has 12 divisors (see below), whose sum is σ = 55188513849336. Its totient is φ = 7884073407040.

The previous prime is 23652220221109. The next prime is 23652220221139. The reversal of 23652220221132 is 23112202225632.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×23652220221132² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23652220221093 and 23652220221102.

It is not an unprimeable number, because it can be changed into a prime (23652220221139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 985509175869 + ... + 985509175892.

It is an arithmetic number, because the mean of its divisors is an integer number (4599042820778).

Almost surely, 2^{23652220221132} is an apocalyptic number.

It is an amenable number.

23652220221132 is an abundant number, since it is smaller than the sum of its proper divisors (31536293628204).

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

23652220221132 is a wasteful number, since it uses less digits than its factorization.

23652220221132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1971018351768 (or 1971018351766 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 23652220221132 its reverse (23112202225632), we get a palindrome (46764422446764).

The spelling of 23652220221132 in words is "twenty-three trillion, six hundred fifty-two billion, two hundred twenty million, two hundred twenty-one thousand, one hundred thirty-two".