23800931819 has 4 divisors (see below), whose sum is σ = 27201064944. Its totient is φ = 20400798696.

The previous prime is 23800931779. The next prime is 23800931831. The reversal of 23800931819 is 91813900832.

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-23800931819 is a prime.

It is a super-2 number, since 2×23800931819² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23800931819.

It is not an unprimeable number, because it can be changed into a prime (23800931519) 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, 1700066552 + ... + 1700066565.

It is an arithmetic number, because the mean of its divisors is an integer number (6800266236).

Almost surely, 2^23800931819 is an apocalyptic number.

23800931819 is a deficient number, since it is larger than the sum of its proper divisors (3400133125).

23800931819 is an equidigital number, since it uses as much as digits as its factorization.

23800931819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3400133124.

The product of its (nonzero) digits is 93312, while the sum is 44.

The spelling of 23800931819 in words is "twenty-three billion, eight hundred million, nine hundred thirty-one thousand, eight hundred nineteen".