23303219993 has 2 divisors, whose sum is σ = 23303219994. Its totient is φ = 23303219992.

The previous prime is 23303219969. The next prime is 23303220023. The reversal of 23303219993 is 39991230332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23296527424 + 6692569 = 152632^2 + 2587^2 .

It is a cyclic number.

It is not a de Polignac number, because 23303219993 - 2¹⁸ = 23302957849 is a prime.

It is not a weakly prime, because it can be changed into another prime (23303219293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11651609996 + 11651609997.

It is an arithmetic number, because the mean of its divisors is an integer number (11651609997).

Almost surely, 2^23303219993 is an apocalyptic number.

It is an amenable number.

23303219993 is a deficient number, since it is larger than the sum of its proper divisors (1).

23303219993 is an equidigital number, since it uses as much as digits as its factorization.

23303219993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 236196, while the sum is 44.

The spelling of 23303219993 in words is "twenty-three billion, three hundred three million, two hundred nineteen thousand, nine hundred ninety-three".