23443233421 has 8 divisors (see below), whose sum is σ = 24034147200. Its totient is φ = 22853230560.

The previous prime is 23443233409. The next prime is 23443233431. The reversal of 23443233421 is 12433234432.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23443233421 - 2⁵ = 23443233389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23443233431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175461 + ... + 278698.

It is an arithmetic number, because the mean of its divisors is an integer number (3004268400).

Almost surely, 2^23443233421 is an apocalyptic number.

It is an amenable number.

23443233421 is a deficient number, since it is larger than the sum of its proper divisors (590913779).

23443233421 is a wasteful number, since it uses less digits than its factorization.

23443233421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455459.

The product of its digits is 41472, while the sum is 31.

Adding to 23443233421 its reverse (12433234432), we get a palindrome (35876467853).

The spelling of 23443233421 in words is "twenty-three billion, four hundred forty-three million, two hundred thirty-three thousand, four hundred twenty-one".