23125404300221 has 32 divisors (see below), whose sum is σ = 25872465582720. Its totient is φ = 20575001880576.

The previous prime is 23125404300209. The next prime is 23125404300227. The reversal of 23125404300221 is 12200340452132.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23125404300221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23125404300227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 682031 + ... + 6834908.

It is an arithmetic number, because the mean of its divisors is an integer number (808514549460).

Almost surely, 2^{23125404300221} is an apocalyptic number.

It is an amenable number.

23125404300221 is a deficient number, since it is larger than the sum of its proper divisors (2747061282499).

23125404300221 is a wasteful number, since it uses less digits than its factorization.

23125404300221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7517133.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 23125404300221 its reverse (12200340452132), we get a palindrome (35325744752353).

The spelling of 23125404300221 in words is "twenty-three trillion, one hundred twenty-five billion, four hundred four million, three hundred thousand, two hundred twenty-one".