23500211212001 has 4 divisors (see below), whose sum is σ = 23500771196100. Its totient is φ = 23499651227904.

The previous prime is 23500211211973. The next prime is 23500211212007. The reversal of 23500211212001 is 10021211200532.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5430060402001 + 18070150810000 = 2330249^2 + 4250900^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23500211212001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23500211212007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279929096 + ... + 280013033.

It is an arithmetic number, because the mean of its divisors is an integer number (5875192799025).

Almost surely, 2^{23500211212001} is an apocalyptic number.

It is an amenable number.

23500211212001 is a deficient number, since it is larger than the sum of its proper divisors (559984099).

23500211212001 is an equidigital number, since it uses as much as digits as its factorization.

23500211212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559984098.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 23500211212001 its reverse (10021211200532), we get a palindrome (33521422412533).

The spelling of 23500211212001 in words is "twenty-three trillion, five hundred billion, two hundred eleven million, two hundred twelve thousand, one".