23442525020421 has 80 divisors (see below), whose sum is σ = 38202176384064. Its totient is φ = 14239309614336.

The previous prime is 23442525020401. The next prime is 23442525020477. The reversal of 23442525020421 is 12402052524432.

23442525020421 is a `hidden beast` number, since 2 + 3 + 4 + 425 + 2 + 5 + 0 + 204 + 21 = 666.

It is not a de Polignac number, because 23442525020421 - 2⁷ = 23442525020293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23442525020401) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 95754450 + ... + 95998956.

Almost surely, 2^{23442525020421} is an apocalyptic number.

It is an amenable number.

23442525020421 is a deficient number, since it is larger than the sum of its proper divisors (14759651363643).

23442525020421 is a wasteful number, since it uses less digits than its factorization.

23442525020421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245712 (or 245703 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 23442525020421 its reverse (12402052524432), we get a palindrome (35844577544853).

The spelling of 23442525020421 in words is "twenty-three trillion, four hundred forty-two billion, five hundred twenty-five million, twenty thousand, four hundred twenty-one".