223444212132 has 48 divisors (see below), whose sum is σ = 526611419712. Its totient is φ = 73732828800.

The previous prime is 223444212119. The next prime is 223444212137. The reversal of 223444212132 is 231212444322.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 223444212132.

It is not an unprimeable number, because it can be changed into a prime (223444212137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13145343 + ... + 13162329.

It is an arithmetic number, because the mean of its divisors is an integer number (10971071244).

Almost surely, 2^223444212132 is an apocalyptic number.

It is an amenable number.

223444212132 is an abundant number, since it is smaller than the sum of its proper divisors (303167207580).

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

223444212132 is a wasteful number, since it uses less digits than its factorization.

223444212132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27948 (or 27946 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

Adding to 223444212132 its reverse (231212444322), we get a palindrome (454656656454).

The spelling of 223444212132 in words is "two hundred twenty-three billion, four hundred forty-four million, two hundred twelve thousand, one hundred thirty-two".