10023343421 has 24 divisors (see below), whose sum is σ = 12733628544. Its totient is φ = 7818824160.

The previous prime is 10023343403. The next prime is 10023343433. The reversal of 10023343421 is 12434332001.

It is a de Polignac number, because none of the positive numbers 2^k-10023343421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10023343441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65585 + ... + 156038.

It is an arithmetic number, because the mean of its divisors is an integer number (530567856).

Almost surely, 2^10023343421 is an apocalyptic number.

It is an amenable number.

10023343421 is a deficient number, since it is larger than the sum of its proper divisors (2710285123).

10023343421 is a wasteful number, since it uses less digits than its factorization.

10023343421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221721 (or 221714 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 10023343421 its reverse (12434332001), we get a palindrome (22457675422).

The spelling of 10023343421 in words is "ten billion, twenty-three million, three hundred forty-three thousand, four hundred twenty-one".