23115440211210 has 256 divisors, whose sum is σ = 67171277721600. Its totient is φ = 5632920133632.

The previous prime is 23115440211209. The next prime is 23115440211217. The reversal of 23115440211210 is 1211204451132.

23115440211210 is a `hidden beast` number, since 2 + 3 + 1 + 1 + 5 + 440 + 2 + 1 + 1 + 210 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (23115440211217) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 81206494 + ... + 81490646.

It is an arithmetic number, because the mean of its divisors is an integer number (262387803600).

Almost surely, 2^{23115440211210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23115440211210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33585638860800).

23115440211210 is an abundant number, since it is smaller than the sum of its proper divisors (44055837510390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23115440211210 is a wasteful number, since it uses less digits than its factorization.

23115440211210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284702 (or 284696 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

Adding to 23115440211210 its reverse (1211204451132), we get a palindrome (24326644662342).

The spelling of 23115440211210 in words is "twenty-three trillion, one hundred fifteen billion, four hundred forty million, two hundred eleven thousand, two hundred ten".