4243223212320 has 48 divisors (see below), whose sum is σ = 13366153120320. Its totient is φ = 1131526189824.

The previous prime is 4243223212289. The next prime is 4243223212363. The reversal of 4243223212320 is 232123223424.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4420023700 + ... + 4420024659.

It is an arithmetic number, because the mean of its divisors is an integer number (278461523340).

Almost surely, 2^{4243223212320} is an apocalyptic number.

4243223212320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4243223212320 is an abundant number, since it is smaller than the sum of its proper divisors (9122929908000).

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

4243223212320 is a wasteful number, since it uses less digits than its factorization.

4243223212320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8840048377 (or 8840048369 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 4243223212320 its reverse (232123223424), we get a palindrome (4475346435744).

The spelling of 4243223212320 in words is "four trillion, two hundred forty-three billion, two hundred twenty-three million, two hundred twelve thousand, three hundred twenty".