23947469280 has 432 divisors, whose sum is σ = 98584353504. Its totient is φ = 5184829440.

The previous prime is 23947469267. The next prime is 23947469303. The reversal of 23947469280 is 8296474932.

23947469280 is a `hidden beast` number, since 2 + 3 + 9 + 474 + 6 + 92 + 80 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3635590 + ... + 3642170.

It is an arithmetic number, because the mean of its divisors is an integer number (228204522).

Almost surely, 2^23947469280 is an apocalyptic number.

23947469280 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 23947469280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49292176752).

23947469280 is an abundant number, since it is smaller than the sum of its proper divisors (74636884224).

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

23947469280 is a wasteful number, since it uses less digits than its factorization.

23947469280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6647 (or 6617 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 23947469280 in words is "twenty-three billion, nine hundred forty-seven million, four hundred sixty-nine thousand, two hundred eighty".