23198958720 has 192 divisors, whose sum is σ = 91553192640. Its totient is φ = 5302609920.

The previous prime is 23198958683. The next prime is 23198958721. The reversal of 23198958720 is 2785989132.

23198958720 is a `hidden beast` number, since 2 + 31 + 9 + 8 + 9 + 587 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is not an unprimeable number, because it can be changed into a prime (23198958721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 247366 + ... + 328005.

It is an arithmetic number, because the mean of its divisors is an integer number (476839545).

Almost surely, 2^23198958720 is an apocalyptic number.

23198958720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23198958720 is an abundant number, since it is smaller than the sum of its proper divisors (68354233920).

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

23198958720 is a wasteful number, since it uses less digits than its factorization.

23198958720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575403 (or 575388 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 23198958720 in words is "twenty-three billion, one hundred ninety-eight million, nine hundred fifty-eight thousand, seven hundred twenty".