23213211132 has 12 divisors (see below), whose sum is σ = 54164159336. Its totient is φ = 7737737040.

The previous prime is 23213211113. The next prime is 23213211137. The reversal of 23213211132 is 23111231232.

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

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 = 23213211099 and 23213211108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23213211137) 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, 967217119 + ... + 967217142.

Almost surely, 2^23213211132 is an apocalyptic number.

It is an amenable number.

23213211132 is an abundant number, since it is smaller than the sum of its proper divisors (30950948204).

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

23213211132 is a wasteful number, since it uses less digits than its factorization.

23213211132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934434268 (or 1934434266 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

Adding to 23213211132 its reverse (23111231232), we get a palindrome (46324442364).

The spelling of 23213211132 in words is "twenty-three billion, two hundred thirteen million, two hundred eleven thousand, one hundred thirty-two".