10423433443221 has 96 divisors (see below), whose sum is σ = 16320228986880. Its totient is φ = 6397226035200.

The previous prime is 10423433443187. The next prime is 10423433443253. The reversal of 10423433443221 is 12234433432401.

10423433443221 is a `hidden beast` number, since 1 + 0 + 423 + 4 + 3 + 3 + 4 + 4 + 3 + 221 = 666.

It is not a de Polignac number, because 10423433443221 - 2²³ = 10423425054613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10423433443261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 144587241 + ... + 144659313.

It is an arithmetic number, because the mean of its divisors is an integer number (170002385280).

Almost surely, 2^{10423433443221} is an apocalyptic number.

It is an amenable number.

10423433443221 is a deficient number, since it is larger than the sum of its proper divisors (5896795543659).

10423433443221 is a wasteful number, since it uses less digits than its factorization.

10423433443221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72467 (or 72464 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

Adding to 10423433443221 its reverse (12234433432401), we get a palindrome (22657866875622).

The spelling of 10423433443221 in words is "ten trillion, four hundred twenty-three billion, four hundred thirty-three million, four hundred forty-three thousand, two hundred twenty-one".