23179780800 has 336 divisors, whose sum is σ = 92182492800. Its totient is φ = 5619225600.

The previous prime is 23179780781. The next prime is 23179780801. The reversal of 23179780800 is 808797132.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (23179780801) by changing a digit.

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, 450811 + ... + 499589.

Almost surely, 2^23179780800 is an apocalyptic number.

23179780800 is a gapful number since it is divisible by the number (20) 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 23179780800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46091246400).

23179780800 is an abundant number, since it is smaller than the sum of its proper divisors (69002712000).

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

23179780800 is a wasteful number, since it uses less digits than its factorization.

23179780800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48821 (or 48800 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The spelling of 23179780800 in words is "twenty-three billion, one hundred seventy-nine million, seven hundred eighty thousand, eight hundred".