23642284777398 has 144 divisors (see below), whose sum is σ = 62289026242560. Its totient is φ = 6454289368800.

The previous prime is 23642284777379. The next prime is 23642284777403. The reversal of 23642284777398 is 89377748224632.

23642284777398 is a `hidden beast` number, since 2 + 3 + 6 + 4 + 228 + 4 + 7 + 7 + 7 + 398 = 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, 3312688 + ... + 7632723.

It is an arithmetic number, because the mean of its divisors is an integer number (432562682240).

Almost surely, 2^{23642284777398} is an apocalyptic number.

23642284777398 is an abundant number, since it is smaller than the sum of its proper divisors (38646741465162).

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

23642284777398 is a wasteful number, since it uses less digits than its factorization.

23642284777398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10945543 (or 10945533 counting only the distinct ones).

The product of its digits is 1365590016, while the sum is 72.

The spelling of 23642284777398 in words is "twenty-three trillion, six hundred forty-two billion, two hundred eighty-four million, seven hundred seventy-seven thousand, three hundred ninety-eight".