23278026195 has 12 divisors (see below), whose sum is σ = 40348578816. Its totient is φ = 12414947280.

The previous prime is 23278026193. The next prime is 23278026199. The reversal of 23278026195 is 59162087232.

23278026195 is a `hidden beast` number, since 2 + 3 + 27 + 8 + 0 + 2 + 619 + 5 = 666.

It is not a de Polignac number, because 23278026195 - 2¹ = 23278026193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 517289471 = 23278026195 / (2 + 3 + 2 + 7 + 8 + 0 + 2 + 6 + 1 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 23278026195.

It is not an unprimeable number, because it can be changed into a prime (23278026193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 258644691 + ... + 258644780.

It is an arithmetic number, because the mean of its divisors is an integer number (3362381568).

Almost surely, 2^23278026195 is an apocalyptic number.

23278026195 is a deficient number, since it is larger than the sum of its proper divisors (17070552621).

23278026195 is a wasteful number, since it uses less digits than its factorization.

23278026195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517289482 (or 517289479 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 23278026195 in words is "twenty-three billion, two hundred seventy-eight million, twenty-six thousand, one hundred ninety-five".