423121333441 has 8 divisors (see below), whose sum is σ = 423863685000. Its totient is φ = 422379110400.

The previous prime is 423121333423. The next prime is 423121333447. The reversal of 423121333441 is 144333121324.

It can be written as a sum of positive squares in 4 ways, for example, as 151888693441 + 271232640000 = 389729^2 + 520800^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 423121333441 - 2⁵ = 423121333409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423121333447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8538945 + ... + 8588353.

It is an arithmetic number, because the mean of its divisors is an integer number (52982960625).

Almost surely, 2^423121333441 is an apocalyptic number.

It is an amenable number.

423121333441 is a deficient number, since it is larger than the sum of its proper divisors (742351559).

423121333441 is a wasteful number, since it uses less digits than its factorization.

423121333441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64259.

The product of its digits is 20736, while the sum is 31.

Adding to 423121333441 its reverse (144333121324), we get a palindrome (567454454765).

The spelling of 423121333441 in words is "four hundred twenty-three billion, one hundred twenty-one million, three hundred thirty-three thousand, four hundred forty-one".