23115405404 has 48 divisors (see below), whose sum is σ = 49915320000. Its totient is φ = 9120992256.

The previous prime is 23115405403. The next prime is 23115405449. The reversal of 23115405404 is 40450451132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23115405403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59972 + ... + 223220.

It is an arithmetic number, because the mean of its divisors is an integer number (1039902500).

Almost surely, 2^23115405404 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 23115405404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24957660000).

23115405404 is an abundant number, since it is smaller than the sum of its proper divisors (26799914596).

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

23115405404 is a wasteful number, since it uses less digits than its factorization.

23115405404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163662 (or 163660 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 23115405404 its reverse (40450451132), we get a palindrome (63565856536).

The spelling of 23115405404 in words is "twenty-three billion, one hundred fifteen million, four hundred five thousand, four hundred four".