23279438654480 has 40 divisors (see below), whose sum is σ = 54126724786200. Its totient is φ = 9311426229248.

The previous prime is 23279438654473. The next prime is 23279438654533. The reversal of 23279438654480 is 8445683497232.

It can be written as a sum of positive squares in 4 ways, for example, as 6498257492224 + 16781181162256 = 2549168^2 + 4096484^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3305075 + ... + 7581714.

It is an arithmetic number, because the mean of its divisors is an integer number (1353168119655).

Almost surely, 2^{23279438654480} is an apocalyptic number.

23279438654480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23279438654480 is an abundant number, since it is smaller than the sum of its proper divisors (30847286131720).

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

23279438654480 is a wasteful number, since it uses less digits than its factorization.

23279438654480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10913531 (or 10913525 counting only the distinct ones).

The product of its (nonzero) digits is 278691840, while the sum is 65.

The spelling of 23279438654480 in words is "twenty-three trillion, two hundred seventy-nine billion, four hundred thirty-eight million, six hundred fifty-four thousand, four hundred eighty".