23441420421 has 24 divisors (see below), whose sum is σ = 34446724416. Its totient is φ = 15358150080.

The previous prime is 23441420329. The next prime is 23441420467. The reversal of 23441420421 is 12402414432.

23441420421 is a `hidden beast` number, since 23 + 4 + 414 + 204 + 21 = 666.

It is not a de Polignac number, because 23441420421 - 2¹¹ = 23441418373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23441420491) 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, 141406 + ... + 258608.

It is an arithmetic number, because the mean of its divisors is an integer number (1435280184).

Almost surely, 2^23441420421 is an apocalyptic number.

It is an amenable number.

23441420421 is a deficient number, since it is larger than the sum of its proper divisors (11005303995).

23441420421 is a wasteful number, since it uses less digits than its factorization.

23441420421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117593 (or 117590 counting only the distinct ones).

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

Adding to 23441420421 its reverse (12402414432), we get a palindrome (35843834853).

The spelling of 23441420421 in words is "twenty-three billion, four hundred forty-one million, four hundred twenty thousand, four hundred twenty-one".