423321421244 has 6 divisors (see below), whose sum is σ = 740812487184. Its totient is φ = 211660710620.

The previous prime is 423321421213. The next prime is 423321421249. The reversal of 423321421244 is 442124123324.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 423321421244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423321421249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52915177652 + ... + 52915177659.

It is an arithmetic number, because the mean of its divisors is an integer number (123468747864).

Almost surely, 2^423321421244 is an apocalyptic number.

It is an amenable number.

423321421244 is a deficient number, since it is larger than the sum of its proper divisors (317491065940).

423321421244 is a wasteful number, since it uses less digits than its factorization.

423321421244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105830355315 (or 105830355313 counting only the distinct ones).

The product of its digits is 36864, while the sum is 32.

Adding to 423321421244 its reverse (442124123324), we get a palindrome (865445544568).

The spelling of 423321421244 in words is "four hundred twenty-three billion, three hundred twenty-one million, four hundred twenty-one thousand, two hundred forty-four".