23213828090899 has 2 divisors, whose sum is σ = 23213828090900. Its totient is φ = 23213828090898.

The previous prime is 23213828090867. The next prime is 23213828090951. The reversal of 23213828090899 is 99809082831232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23213828090899 - 2⁵ = 23213828090867 is a prime.

It is a super-2 number, since 2×23213828090899² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23213828090899.

It is not a weakly prime, because it can be changed into another prime (23213828090839) by changing a digit.

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 as a sum of consecutive naturals, namely, 11606914045449 + 11606914045450.

It is an arithmetic number, because the mean of its divisors is an integer number (11606914045450).

Almost surely, 2^{23213828090899} is an apocalyptic number.

23213828090899 is a deficient number, since it is larger than the sum of its proper divisors (1).

23213828090899 is an equidigital number, since it uses as much as digits as its factorization.

23213828090899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26873856, while the sum is 64.

The spelling of 23213828090899 in words is "twenty-three trillion, two hundred thirteen billion, eight hundred twenty-eight million, ninety thousand, eight hundred ninety-nine".