23945099851 has 4 divisors (see below), whose sum is σ = 23945812992. Its totient is φ = 23944386712.

The previous prime is 23945099819. The next prime is 23945099863. The reversal of 23945099851 is 15899054932.

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

It is a cyclic number.

It is not a de Polignac number, because 23945099851 - 2⁵ = 23945099819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23945099792 and 23945099801.

It is not an unprimeable number, because it can be changed into a prime (23945094851) 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 in 3 ways as a sum of consecutive naturals, for example, 303580 + ... + 374233.

It is an arithmetic number, because the mean of its divisors is an integer number (5986453248).

Almost surely, 2^23945099851 is an apocalyptic number.

23945099851 is a deficient number, since it is larger than the sum of its proper divisors (713141).

23945099851 is an equidigital number, since it uses as much as digits as its factorization.

23945099851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713140.

The product of its (nonzero) digits is 3499200, while the sum is 55.

The spelling of 23945099851 in words is "twenty-three billion, nine hundred forty-five million, ninety-nine thousand, eight hundred fifty-one".