23423978196 has 72 divisors (see below), whose sum is σ = 61564898304. Its totient is φ = 7787482560.

The previous prime is 23423978177. The next prime is 23423978213. The reversal of 23423978196 is 69187932432.

23423978196 is a `hidden beast` number, since 23 + 42 + 397 + 8 + 196 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 340816 + ... + 403736.

It is an arithmetic number, because the mean of its divisors is an integer number (855068032).

Almost surely, 2^23423978196 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 23423978196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30782449152).

23423978196 is an abundant number, since it is smaller than the sum of its proper divisors (38140920108).

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

23423978196 is a wasteful number, since it uses less digits than its factorization.

23423978196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63323 (or 63309 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The spelling of 23423978196 in words is "twenty-three billion, four hundred twenty-three million, nine hundred seventy-eight thousand, one hundred ninety-six".