23523111055152 has 160 divisors (see below), whose sum is σ = 68567664960000. Its totient is φ = 7719689214720.

The previous prime is 23523111055141. The next prime is 23523111055177. The reversal of 23523111055152 is 25155011132532.

23523111055152 is a `hidden beast` number, since 2 + 3 + 5 + 2 + 31 + 1 + 105 + 515 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21205599 + ... + 22287297.

It is an arithmetic number, because the mean of its divisors is an integer number (428547906000).

Almost surely, 2^{23523111055152} 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 23523111055152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34283832480000).

23523111055152 is an abundant number, since it is smaller than the sum of its proper divisors (45044553904848).

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

23523111055152 is a wasteful number, since it uses less digits than its factorization.

23523111055152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082496 (or 1082484 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

Adding to 23523111055152 its reverse (25155011132532), we get a palindrome (48678122187684).

The spelling of 23523111055152 in words is "twenty-three trillion, five hundred twenty-three billion, one hundred eleven million, fifty-five thousand, one hundred fifty-two".