423344433335331 has 4 divisors (see below), whose sum is σ = 564459244447112. Its totient is φ = 282229622223552.

The previous prime is 423344433335321. The next prime is 423344433335371. The reversal of 423344433335331 is 133533334443324.

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

It is not a de Polignac number, because 423344433335331 - 2¹⁹ = 423344432811043 is a prime.

It is a super-2 number, since 2×423344433335331² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423344433335311) 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, 70557405555886 + ... + 70557405555891.

It is an arithmetic number, because the mean of its divisors is an integer number (141114811111778).

Almost surely, 2^{423344433335331} is an apocalyptic number.

423344433335331 is a deficient number, since it is larger than the sum of its proper divisors (141114811111781).

423344433335331 is a wasteful number, since it uses less digits than its factorization.

423344433335331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141114811111780.

The product of its digits is 16796160, while the sum is 48.

Adding to 423344433335331 its reverse (133533334443324), we get a palindrome (556877767778655).

The spelling of 423344433335331 in words is "four hundred twenty-three trillion, three hundred forty-four billion, four hundred thirty-three million, three hundred thirty-five thousand, three hundred thirty-one".