21423130200201 has 32 divisors (see below), whose sum is σ = 30480576832512. Its totient is φ = 13354736535360.

The previous prime is 21423130200169. The next prime is 21423130200203. The reversal of 21423130200201 is 10200203132412.

It is not a de Polignac number, because 21423130200201 - 2⁵ = 21423130200169 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (21423130200203) 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, 14926935 + ... + 16299068.

It is an arithmetic number, because the mean of its divisors is an integer number (952518026016).

Almost surely, 2^{21423130200201} is an apocalyptic number.

It is an amenable number.

21423130200201 is a deficient number, since it is larger than the sum of its proper divisors (9057446632311).

21423130200201 is a wasteful number, since it uses less digits than its factorization.

21423130200201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31226253.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 21423130200201 its reverse (10200203132412), we get a palindrome (31623333332613).

The spelling of 21423130200201 in words is "twenty-one trillion, four hundred twenty-three billion, one hundred thirty million, two hundred thousand, two hundred one".