23002221321138 has 8 divisors (see below), whose sum is σ = 46004442642288. Its totient is φ = 7667407107044.

The previous prime is 23002221321119. The next prime is 23002221321139. The reversal of 23002221321138 is 83112312220032.

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

23002221321138 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (23002221321139) 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, 1916851776756 + ... + 1916851776767.

It is an arithmetic number, because the mean of its divisors is an integer number (5750555330286).

Almost surely, 2^{23002221321138} is an apocalyptic number.

23002221321138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23002221321138 is a wasteful number, since it uses less digits than its factorization.

23002221321138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3833703553528.

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 23002221321138 in words is "twenty-three trillion, two billion, two hundred twenty-one million, three hundred twenty-one thousand, one hundred thirty-eight".