23303312987 has 2 divisors, whose sum is σ = 23303312988. Its totient is φ = 23303312986.

The previous prime is 23303312957. The next prime is 23303313001. The reversal of 23303312987 is 78921330332.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23303312987 - 2¹⁴ = 23303296603 is a prime.

It is not a weakly prime, because it can be changed into another prime (23303312957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11651656493 + 11651656494.

It is an arithmetic number, because the mean of its divisors is an integer number (11651656494).

Almost surely, 2^23303312987 is an apocalyptic number.

23303312987 is a deficient number, since it is larger than the sum of its proper divisors (1).

23303312987 is an equidigital number, since it uses as much as digits as its factorization.

23303312987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 41.

The spelling of 23303312987 in words is "twenty-three billion, three hundred three million, three hundred twelve thousand, nine hundred eighty-seven".