423241012144421 has 4 divisors (see below), whose sum is σ = 423241101673644. Its totient is φ = 423240922615200.

The previous prime is 423241012144403. The next prime is 423241012144451. The reversal of 423241012144421 is 124441210142324.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 236014087562500 + 187226924581921 = 15362750^2 + 13683089^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423241012144421 is a prime.

It is a super-2 number, since 2×423241012144421² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423241012144451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37253390 + ... + 47268351.

It is an arithmetic number, because the mean of its divisors is an integer number (105810275418411).

Almost surely, 2^{423241012144421} is an apocalyptic number.

It is an amenable number.

423241012144421 is a deficient number, since it is larger than the sum of its proper divisors (89529223).

423241012144421 is an equidigital number, since it uses as much as digits as its factorization.

423241012144421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89529222.

The product of its (nonzero) digits is 49152, while the sum is 35.

Adding to 423241012144421 its reverse (124441210142324), we get a palindrome (547682222286745).

The spelling of 423241012144421 in words is "four hundred twenty-three trillion, two hundred forty-one billion, twelve million, one hundred forty-four thousand, four hundred twenty-one".