23261819195 has 16 divisors (see below), whose sum is σ = 28240164000. Its totient is φ = 18392318208.

The previous prime is 23261819167. The next prime is 23261819249. The reversal of 23261819195 is 59191816232.

It is a cyclic number.

It is not a de Polignac number, because 23261819195 - 2¹⁰ = 23261818171 is a prime.

It is a super-2 number, since 2×23261819195² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1137521 + ... + 1157789.

It is an arithmetic number, because the mean of its divisors is an integer number (1765010250).

Almost surely, 2^23261819195 is an apocalyptic number.

23261819195 is a deficient number, since it is larger than the sum of its proper divisors (4978344805).

23261819195 is a wasteful number, since it uses less digits than its factorization.

23261819195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22942.

The product of its digits is 233280, while the sum is 47.

The spelling of 23261819195 in words is "twenty-three billion, two hundred sixty-one million, eight hundred nineteen thousand, one hundred ninety-five".