23111030001001 has 4 divisors (see below), whose sum is σ = 23674713659604. Its totient is φ = 22547346342400.

The previous prime is 23111030000953. The next prime is 23111030001077. The reversal of 23111030001001 is 10010003011132.

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 6263707507600 + 16847322493401 = 2502740^2 + 4104549^2 .

It is a cyclic number.

It is not a de Polignac number, because 23111030001001 - 2³¹ = 23108882517353 is a prime.

It is a super-2 number, since 2×23111030001001² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23111030091001) 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, 281841829240 + ... + 281841829321.

It is an arithmetic number, because the mean of its divisors is an integer number (5918678414901).

Almost surely, 2^{23111030001001} is an apocalyptic number.

It is an amenable number.

23111030001001 is a deficient number, since it is larger than the sum of its proper divisors (563683658603).

23111030001001 is an equidigital number, since it uses as much as digits as its factorization.

23111030001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563683658602.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 23111030001001 its reverse (10010003011132), we get a palindrome (33121033012133).

The spelling of 23111030001001 in words is "twenty-three trillion, one hundred eleven billion, thirty million, one thousand, one".