23447063280 has 80 divisors (see below), whose sum is σ = 75030626304. Its totient is φ = 6050853120.

The previous prime is 23447063243. The next prime is 23447063287. The reversal of 23447063280 is 8236074432.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23447063287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1568304 + ... + 1583183.

Almost surely, 2^23447063280 is an apocalyptic number.

23447063280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23447063280 is an abundant number, since it is smaller than the sum of its proper divisors (51583563024).

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

23447063280 is a wasteful number, since it uses less digits than its factorization.

23447063280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3151534 (or 3151528 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 39.

The spelling of 23447063280 in words is "twenty-three billion, four hundred forty-seven million, sixty-three thousand, two hundred eighty".