23291212051152 has 240 divisors, whose sum is σ = 69099339359232. Its totient is φ = 7591521709440.

The previous prime is 23291212051117. The next prime is 23291212051273. The reversal of 23291212051152 is 25115021219232.

23291212051152 is a `hidden beast` number, since 2 + 3 + 2 + 9 + 12 + 120 + 511 + 5 + 2 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 199306563 + ... + 199423389.

Almost surely, 2^{23291212051152} 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 23291212051152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34549669679616).

23291212051152 is an abundant number, since it is smaller than the sum of its proper divisors (45808127308080).

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

23291212051152 is a wasteful number, since it uses less digits than its factorization.

23291212051152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117988 (or 117970 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 23291212051152 in words is "twenty-three trillion, two hundred ninety-one billion, two hundred twelve million, fifty-one thousand, one hundred fifty-two".