23425214452521 has 16 divisors (see below), whose sum is σ = 35718880124928. Its totient is φ = 13377093613200.

The previous prime is 23425214452469. The next prime is 23425214452531. The reversal of 23425214452521 is 12525441252432.

It is not a de Polignac number, because 23425214452521 - 2²⁹ = 23424677581609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23425214452531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 364267785 + ... + 364332086.

It is an arithmetic number, because the mean of its divisors is an integer number (2232430007808).

Almost surely, 2^{23425214452521} is an apocalyptic number.

23425214452521 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23425214452521 is a deficient number, since it is larger than the sum of its proper divisors (12293665672407).

23425214452521 is a wasteful number, since it uses less digits than its factorization.

23425214452521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728601412.

The product of its digits is 768000, while the sum is 42.

The spelling of 23425214452521 in words is "twenty-three trillion, four hundred twenty-five billion, two hundred fourteen million, four hundred fifty-two thousand, five hundred twenty-one".