83223613512 has 256 divisors, whose sum is σ = 255633235200. Its totient is φ = 24923842560.

The previous prime is 83223613481. The next prime is 83223613531. The reversal of 83223613512 is 21531632238.

83223613512 is a `hidden beast` number, since 8 + 3 + 2 + 23 + 613 + 5 + 12 = 666.

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

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, 91756563 + ... + 91757469.

It is an arithmetic number, because the mean of its divisors is an integer number (998567325).

Almost surely, 2^83223613512 is an apocalyptic number.

83223613512 is a gapful number since it is divisible by the number (82) 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 83223613512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127816617600).

83223613512 is an abundant number, since it is smaller than the sum of its proper divisors (172409621688).

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

83223613512 is a wasteful number, since it uses less digits than its factorization.

83223613512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773 (or 1763 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The spelling of 83223613512 in words is "eighty-three billion, two hundred twenty-three million, six hundred thirteen thousand, five hundred twelve".