23203315559 has 2 divisors, whose sum is σ = 23203315560. Its totient is φ = 23203315558.

The previous prime is 23203315549. The next prime is 23203315573. The reversal of 23203315559 is 95551330232.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23203315559 - 2¹² = 23203311463 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23203315529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11601657779 + 11601657780.

It is an arithmetic number, because the mean of its divisors is an integer number (11601657780).

Almost surely, 2^23203315559 is an apocalyptic number.

23203315559 is a deficient number, since it is larger than the sum of its proper divisors (1).

23203315559 is an equidigital number, since it uses as much as digits as its factorization.

23203315559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 121500, while the sum is 38.

The spelling of 23203315559 in words is "twenty-three billion, two hundred three million, three hundred fifteen thousand, five hundred fifty-nine".