10423424421 has 12 divisors (see below), whose sum is σ = 15941708172. Its totient is φ = 6540187776.

The previous prime is 10423424419. The next prime is 10423424437. The reversal of 10423424421 is 12442432401.

10423424421 is a `hidden beast` number, since 1 + 0 + 4 + 234 + 2 + 4 + 421 = 666.

10423424421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3964087521 + 6459336900 = 62961^2 + 80370^2 .

It is not a de Polignac number, because 10423424421 - 2¹ = 10423424419 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10423424461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34063326 + ... + 34063631.

It is an arithmetic number, because the mean of its divisors is an integer number (1328475681).

Almost surely, 2^10423424421 is an apocalyptic number.

It is an amenable number.

10423424421 is a deficient number, since it is larger than the sum of its proper divisors (5518283751).

10423424421 is a wasteful number, since it uses less digits than its factorization.

10423424421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68126980 (or 68126977 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 10423424421 its reverse (12442432401), we get a palindrome (22865856822).

The spelling of 10423424421 in words is "ten billion, four hundred twenty-three million, four hundred twenty-four thousand, four hundred twenty-one".