23213828090866 has 8 divisors (see below), whose sum is σ = 39795133870080. Its totient is φ = 9948783467508.

The previous prime is 23213828090839. The next prime is 23213828090867. The reversal of 23213828090866 is 66809082831232.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 23213828090866.

It is not an unprimeable number, because it can be changed into a prime (23213828090867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 829065288946 + ... + 829065288973.

It is an arithmetic number, because the mean of its divisors is an integer number (4974391733760).

Almost surely, 2^{23213828090866} is an apocalyptic number.

23213828090866 is a deficient number, since it is larger than the sum of its proper divisors (16581305779214).

23213828090866 is a wasteful number, since it uses less digits than its factorization.

23213828090866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658130577928.

The product of its (nonzero) digits is 11943936, while the sum is 58.

The spelling of 23213828090866 in words is "twenty-three trillion, two hundred thirteen billion, eight hundred twenty-eight million, ninety thousand, eight hundred sixty-six".