423340011021321 has 6 divisors (see below), whose sum is σ = 611491127030810. Its totient is φ = 282226674014208.

The previous prime is 423340011021299. The next prime is 423340011021371. The reversal of 423340011021321 is 123120110043324.

423340011021321 is a `hidden beast` number, since 4 + 2 + 33 + 400 + 1 + 10 + 213 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 252427400065296 + 170912610956025 = 15887964^2 + 13073355^2 .

It is a de Polignac number, because none of the positive numbers 2^k-423340011021321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423340011021371) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23518889501176 + ... + 23518889501193.

Almost surely, 2^{423340011021321} is an apocalyptic number.

It is an amenable number.

423340011021321 is a deficient number, since it is larger than the sum of its proper divisors (188151116009489).

423340011021321 is a wasteful number, since it uses less digits than its factorization.

423340011021321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47037779002375 (or 47037779002372 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 423340011021321 its reverse (123120110043324), we get a palindrome (546460121064645).

The spelling of 423340011021321 in words is "four hundred twenty-three trillion, three hundred forty billion, eleven million, twenty-one thousand, three hundred twenty-one".