23421525100213 has 8 divisors (see below), whose sum is σ = 23425267443480. Its totient is φ = 23417783078400.

The previous prime is 23421525100151. The next prime is 23421525100243. The reversal of 23421525100213 is 31200152512432.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2285971635249 + 21135553464964 = 1511943^2 + 4597342^2 .

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 23421525100213 - 2⁹ = 23421525099701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23421525100243) 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, 174552333 + ... + 174686461.

It is an arithmetic number, because the mean of its divisors is an integer number (2928158430435).

Almost surely, 2^{23421525100213} is an apocalyptic number.

It is an amenable number.

23421525100213 is a deficient number, since it is larger than the sum of its proper divisors (3742343267).

23421525100213 is a wasteful number, since it uses less digits than its factorization.

23421525100213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160727.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 23421525100213 its reverse (31200152512432), we get a palindrome (54621677612645).

The spelling of 23421525100213 in words is "twenty-three trillion, four hundred twenty-one billion, five hundred twenty-five million, one hundred thousand, two hundred thirteen".