23199487994970 has 128 divisors (see below), whose sum is σ = 74862213465600. Its totient is φ = 4990814217216.

The previous prime is 23199487994959. The next prime is 23199487995023. The reversal of 23199487994970 is 7949978499132.

23199487994970 is a `hidden beast` number, since 2 + 3 + 1 + 9 + 9 + 487 + 99 + 49 + 7 + 0 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 23199487994970.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 360993205 + ... + 361057464.

It is an arithmetic number, because the mean of its divisors is an integer number (584861042700).

Almost surely, 2^{23199487994970} is an apocalyptic number.

23199487994970 is an abundant number, since it is smaller than the sum of its proper divisors (51662725470630).

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

23199487994970 is a wasteful number, since it uses less digits than its factorization.

23199487994970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722050709 (or 722050703 counting only the distinct ones).

The product of its (nonzero) digits is 2222131968, while the sum is 81.

The spelling of 23199487994970 in words is "twenty-three trillion, one hundred ninety-nine billion, four hundred eighty-seven million, nine hundred ninety-four thousand, nine hundred seventy".