23781296943378 has 96 divisors (see below), whose sum is σ = 56051348174640. Its totient is φ = 7243289395200.

The previous prime is 23781296943323. The next prime is 23781296943419. The reversal of 23781296943378 is 87334969218732.

23781296943378 is a `hidden beast` number, since 2 + 3 + 7 + 8 + 129 + 69 + 433 + 7 + 8 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 22512301452369 + 1268995491009 = 4744713^2 + 1126497^2 .

It is a Curzon number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 110334018 + ... + 110549346.

Almost surely, 2^{23781296943378} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23781296943378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28025674087320).

23781296943378 is an abundant number, since it is smaller than the sum of its proper divisors (32270051231262).

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

23781296943378 is a wasteful number, since it uses less digits than its factorization.

23781296943378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220124 (or 220121 counting only the distinct ones).

The product of its digits is 658409472, while the sum is 72.

The spelling of 23781296943378 in words is "twenty-three trillion, seven hundred eighty-one billion, two hundred ninety-six million, nine hundred forty-three thousand, three hundred seventy-eight".