23340021073 has 2 divisors, whose sum is σ = 23340021074. Its totient is φ = 23340021072.

The previous prime is 23340021053. The next prime is 23340021101. The reversal of 23340021073 is 37012004332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19294043409 + 4045977664 = 138903^2 + 63608^2 .

It is a cyclic number.

It is not a de Polignac number, because 23340021073 - 2¹³ = 23340012881 is a prime.

It is not a weakly prime, because it can be changed into another prime (23340021053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11670010536 + 11670010537.

It is an arithmetic number, because the mean of its divisors is an integer number (11670010537).

Almost surely, 2^23340021073 is an apocalyptic number.

It is an amenable number.

23340021073 is a deficient number, since it is larger than the sum of its proper divisors (1).

23340021073 is an equidigital number, since it uses as much as digits as its factorization.

23340021073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 25.

The spelling of 23340021073 in words is "twenty-three billion, three hundred forty million, twenty-one thousand, seventy-three".