4423203505412 has 6 divisors (see below), whose sum is σ = 7740606134478. Its totient is φ = 2211601752704.

The previous prime is 4423203505411. The next prime is 4423203505423. The reversal of 4423203505412 is 2145053023244.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4027190049796 + 396013455616 = 2006786^2 + 629296^2 .

It is not an unprimeable number, because it can be changed into a prime (4423203505411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552900438173 + ... + 552900438180.

It is an arithmetic number, because the mean of its divisors is an integer number (1290101022413).

Almost surely, 2^{4423203505412} is an apocalyptic number.

It is an amenable number.

4423203505412 is a deficient number, since it is larger than the sum of its proper divisors (3317402629066).

4423203505412 is a wasteful number, since it uses less digits than its factorization.

4423203505412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105800876357 (or 1105800876355 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 4423203505412 its reverse (2145053023244), we get a palindrome (6568256528656).

The spelling of 4423203505412 in words is "four trillion, four hundred twenty-three billion, two hundred three million, five hundred five thousand, four hundred twelve".