23231101221132 has 192 divisors, whose sum is σ = 64232527822848. Its totient is φ = 6394788000000.

The previous prime is 23231101221089. The next prime is 23231101221161. The reversal of 23231101221132 is 23112210113232.

It is a super-2 number, since 2×23231101221132² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1667336838 + ... + 1667350770.

It is an arithmetic number, because the mean of its divisors is an integer number (334544415744).

Almost surely, 2^{23231101221132} 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 23231101221132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32116263911424).

23231101221132 is an abundant number, since it is smaller than the sum of its proper divisors (41001426601716).

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

23231101221132 is a wasteful number, since it uses less digits than its factorization.

23231101221132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16780 (or 16778 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 23231101221132 its reverse (23112210113232), we get a palindrome (46343311334364).

The spelling of 23231101221132 in words is "twenty-three trillion, two hundred thirty-one billion, one hundred one million, two hundred twenty-one thousand, one hundred thirty-two".