23303129999 has 4 divisors (see below), whose sum is σ = 23307662664. Its totient is φ = 23298597336.

The previous prime is 23303129923. The next prime is 23303130023. The reversal of 23303129999 is 99992130332.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23303129999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23303129599) 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, 2258612 + ... + 2268905.

It is an arithmetic number, because the mean of its divisors is an integer number (5826915666).

Almost surely, 2^23303129999 is an apocalyptic number.

23303129999 is a deficient number, since it is larger than the sum of its proper divisors (4532665).

23303129999 is an equidigital number, since it uses as much as digits as its factorization.

23303129999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4532664.

The product of its (nonzero) digits is 708588, while the sum is 50.

The spelling of 23303129999 in words is "twenty-three billion, three hundred three million, one hundred twenty-nine thousand, nine hundred ninety-nine".