21232325401 has 8 divisors (see below), whose sum is σ = 24266841984. Its totient is φ = 18198140640.

The previous prime is 21232325377. The next prime is 21232325419. The reversal of 21232325401 is 10452323212.

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 21232325401 - 2⁵ = 21232325369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21232325431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73956 + ... + 218938.

It is an arithmetic number, because the mean of its divisors is an integer number (3033355248).

Almost surely, 2^21232325401 is an apocalyptic number.

It is an amenable number.

21232325401 is a deficient number, since it is larger than the sum of its proper divisors (3034516583).

21232325401 is a wasteful number, since it uses less digits than its factorization.

21232325401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165911.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 21232325401 its reverse (10452323212), we get a palindrome (31684648613).

The spelling of 21232325401 in words is "twenty-one billion, two hundred thirty-two million, three hundred twenty-five thousand, four hundred one".