23513321404104 has 128 divisors (see below), whose sum is σ = 68325547852800. Its totient is φ = 6603648779520.

The previous prime is 23513321404103. The next prime is 23513321404147. The reversal of 23513321404104 is 40140412331532.

It is not an unprimeable number, because it can be changed into a prime (23513321404103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120402619 + ... + 120597749.

It is an arithmetic number, because the mean of its divisors is an integer number (533793342600).

Almost surely, 2^{23513321404104} is an apocalyptic number.

23513321404104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23513321404104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34162773926400).

23513321404104 is an abundant number, since it is smaller than the sum of its proper divisors (44812226448696).

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

23513321404104 is a wasteful number, since it uses less digits than its factorization.

23513321404104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207363 (or 207359 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 23513321404104 its reverse (40140412331532), we get a palindrome (63653733735636).

The spelling of 23513321404104 in words is "twenty-three trillion, five hundred thirteen billion, three hundred twenty-one million, four hundred four thousand, one hundred four".