22423344321312 has 144 divisors (see below), whose sum is σ = 70252076381760. Its totient is φ = 6727675968000.

The previous prime is 22423344321277. The next prime is 22423344321337. The reversal of 22423344321312 is 21312344332422.

22423344321312 is a `hidden beast` number, since 2 + 2 + 4 + 2 + 334 + 4 + 3 + 2 + 1 + 312 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34720012 + ... + 35359947.

It is an arithmetic number, because the mean of its divisors is an integer number (487861641540).

Almost surely, 2^{22423344321312} is an apocalyptic number.

22423344321312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22423344321312 is an abundant number, since it is smaller than the sum of its proper divisors (47828732060448).

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

22423344321312 is a wasteful number, since it uses less digits than its factorization.

22423344321312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70080087 (or 70080076 counting only the distinct ones).

The product of its digits is 165888, while the sum is 36.

Adding to 22423344321312 its reverse (21312344332422), we get a palindrome (43735688653734).

The spelling of 22423344321312 in words is "twenty-two trillion, four hundred twenty-three billion, three hundred forty-four million, three hundred twenty-one thousand, three hundred twelve".