23013215104 has 64 divisors (see below), whose sum is σ = 50144281200. Its totient is φ = 10433413120.

The previous prime is 23013215101. The next prime is 23013215143. The reversal of 23013215104 is 40151231032.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23013215101) 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, 526704 + ... + 568720.

Almost surely, 2^23013215104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23013215104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25072140600).

23013215104 is an abundant number, since it is smaller than the sum of its proper divisors (27131066096).

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

23013215104 is a wasteful number, since it uses less digits than its factorization.

23013215104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42431 (or 42419 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 23013215104 its reverse (40151231032), we get a palindrome (63164446136).

The spelling of 23013215104 in words is "twenty-three billion, thirteen million, two hundred fifteen thousand, one hundred four".