23204204451021 has 8 divisors (see below), whose sum is σ = 33751570110624. Its totient is φ = 14063154212720.

The previous prime is 23204204451011. The next prime is 23204204451067. The reversal of 23204204451021 is 12015440240232.

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 23204204451021 - 2⁶ = 23204204450957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23204204451021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23204204451011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351578855286 + ... + 351578855351.

It is an arithmetic number, because the mean of its divisors is an integer number (4218946263828).

Almost surely, 2^{23204204451021} is an apocalyptic number.

It is an amenable number.

23204204451021 is a deficient number, since it is larger than the sum of its proper divisors (10547365659603).

23204204451021 is a wasteful number, since it uses less digits than its factorization.

23204204451021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703157710651.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 23204204451021 its reverse (12015440240232), we get a palindrome (35219644691253).

The spelling of 23204204451021 in words is "twenty-three trillion, two hundred four billion, two hundred four million, four hundred fifty-one thousand, twenty-one".