23021222131232 has 96 divisors (see below), whose sum is σ = 50132267539200. Its totient is φ = 10337254345728.

The previous prime is 23021222131199. The next prime is 23021222131247. The reversal of 23021222131232 is 23213122212032.

It is a super-3 number, since 3×23021222131232³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245594069 + ... + 245687787.

It is an arithmetic number, because the mean of its divisors is an integer number (522211120200).

Almost surely, 2^{23021222131232} 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 23021222131232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25066133769600).

23021222131232 is an abundant number, since it is smaller than the sum of its proper divisors (27111045407968).

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

23021222131232 is a wasteful number, since it uses less digits than its factorization.

23021222131232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109738 (or 109730 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 23021222131232 its reverse (23213122212032), we get a palindrome (46234344343264).

The spelling of 23021222131232 in words is "twenty-three trillion, twenty-one billion, two hundred twenty-two million, one hundred thirty-one thousand, two hundred thirty-two".