40223323312 has 80 divisors (see below), whose sum is σ = 81841904640. Its totient is φ = 19150747968.

The previous prime is 40223323277. The next prime is 40223323313. The reversal of 40223323312 is 21332332204.

It is not an unprimeable number, because it can be changed into a prime (40223323313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71444343 + ... + 71444905.

It is an arithmetic number, because the mean of its divisors is an integer number (1023023808).

Almost surely, 2^40223323312 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 40223323312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40920952320).

40223323312 is an abundant number, since it is smaller than the sum of its proper divisors (41618581328).

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

40223323312 is an equidigital number, since it uses as much as digits as its factorization.

40223323312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007 (or 955 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 40223323312 its reverse (21332332204), we get a palindrome (61555655516).

The spelling of 40223323312 in words is "forty billion, two hundred twenty-three million, three hundred twenty-three thousand, three hundred twelve".